1 |
mszeredi |
4 |
#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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dpavlin |
18 |
#ifdef USE_ITHREADS |
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# ifdef I_PTHREAD |
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/* perl implements threads with pthread. So, we use the pthread API for |
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* handling thread-local storage. */ |
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# include <pthread.h> |
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PerlInterpreter *master_interp = NULL; |
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static inline void create_perl_context() { |
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if(master_interp) { |
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PerlInterpreter *me = PERL_GET_CONTEXT; |
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if(!me) { |
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PERL_SET_CONTEXT(master_interp); |
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me = perl_clone(master_interp, CLONEf_CLONE_HOST); |
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} |
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} |
19 |
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} |
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# define FUSE_CONTEXT_PRE create_perl_context(); { |
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# define FUSE_CONTEXT_POST } |
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# define FUSE_USE_ITHREADS |
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# else |
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# error "Sorry, I don't know how to handle ithreads on this architecture." |
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# endif |
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#else |
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# define FUSE_CONTEXT_PRE |
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# define FUSE_CONTEXT_POST |
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#endif |
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dpavlin |
85 |
#include <fuse.h> |
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mszeredi |
4 |
|
32 |
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#undef DEBUGf |
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dpavlin |
71 |
#if 0 |
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dpavlin |
18 |
#define DEBUGf(f, a...) fprintf(stderr, "%s:%d (%i): " f,__BASE_FILE__,__LINE__,sp-PL_stack_base ,##a ) |
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mszeredi |
4 |
#else |
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#define DEBUGf(a...) |
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#endif |
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39 |
richdawe |
14 |
#define N_CALLBACKS 25 |
40 |
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SV *_PLfuse_callbacks[N_CALLBACKS]; |
41 |
mszeredi |
4 |
|
42 |
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int _PLfuse_getattr(const char *file, struct stat *result) { |
43 |
dpavlin |
89 |
int rv; |
44 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
45 |
mszeredi |
4 |
dSP; |
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dpavlin |
18 |
DEBUGf("getattr begin: %s\n",file); |
47 |
mszeredi |
4 |
ENTER; |
48 |
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SAVETMPS; |
49 |
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PUSHMARK(SP); |
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XPUSHs(sv_2mortal(newSVpv(file,strlen(file)))); |
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PUTBACK; |
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rv = call_sv(_PLfuse_callbacks[0],G_ARRAY); |
53 |
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SPAGAIN; |
54 |
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if(rv != 13) { |
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if(rv > 1) { |
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fprintf(stderr,"inappropriate number of returned values from getattr\n"); |
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rv = -ENOSYS; |
58 |
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} else if(rv) |
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rv = POPi; |
60 |
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else |
61 |
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rv = -ENOENT; |
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} else { |
63 |
dpavlin |
8 |
result->st_blocks = POPi; |
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mszeredi |
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result->st_blksize = POPi; |
65 |
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result->st_ctime = POPi; |
66 |
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result->st_mtime = POPi; |
67 |
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result->st_atime = POPi; |
68 |
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result->st_size = POPi; |
69 |
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result->st_rdev = POPi; |
70 |
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result->st_gid = POPi; |
71 |
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result->st_uid = POPi; |
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result->st_nlink = POPi; |
73 |
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result->st_mode = POPi; |
74 |
dpavlin |
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result->st_ino = POPi; |
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mszeredi |
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result->st_dev = POPi; |
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rv = 0; |
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} |
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FREETMPS; |
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LEAVE; |
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PUTBACK; |
81 |
dpavlin |
18 |
DEBUGf("getattr end: %i\n",rv); |
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FUSE_CONTEXT_POST; |
83 |
mszeredi |
4 |
return rv; |
84 |
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} |
85 |
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86 |
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int _PLfuse_readlink(const char *file,char *buf,size_t buflen) { |
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int rv; |
88 |
dpavlin |
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FUSE_CONTEXT_PRE; |
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mszeredi |
4 |
dSP; |
90 |
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if(buflen < 1) |
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return EINVAL; |
92 |
dpavlin |
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DEBUGf("readlink begin\n"); |
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mszeredi |
4 |
ENTER; |
94 |
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SAVETMPS; |
95 |
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PUSHMARK(SP); |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
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PUTBACK; |
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rv = call_sv(_PLfuse_callbacks[1],G_SCALAR); |
99 |
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SPAGAIN; |
100 |
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if(!rv) |
101 |
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rv = -ENOENT; |
102 |
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else { |
103 |
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SV *mysv = POPs; |
104 |
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if(SvTYPE(mysv) == SVt_IV || SvTYPE(mysv) == SVt_NV) |
105 |
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rv = SvIV(mysv); |
106 |
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else { |
107 |
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strncpy(buf,SvPV_nolen(mysv),buflen); |
108 |
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rv = 0; |
109 |
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} |
110 |
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} |
111 |
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FREETMPS; |
112 |
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LEAVE; |
113 |
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buf[buflen-1] = 0; |
114 |
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PUTBACK; |
115 |
dpavlin |
18 |
DEBUGf("readlink end: %i\n",rv); |
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FUSE_CONTEXT_POST; |
117 |
mszeredi |
4 |
return rv; |
118 |
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} |
119 |
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120 |
dpavlin |
85 |
#if 0 |
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/* |
122 |
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* This doesn't yet work... we alwas get ENOSYS when trying to use readdir(). |
123 |
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* Well, of course, getdir() is fine as well. |
124 |
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*/ |
125 |
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int _PLfuse_readdir(const char *file, void *dirh, fuse_fill_dir_t dirfil, off_t off, struct fuse_file_info *fi) { |
126 |
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#endif |
127 |
mszeredi |
4 |
int _PLfuse_getdir(const char *file, fuse_dirh_t dirh, fuse_dirfil_t dirfil) { |
128 |
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int prv, rv; |
129 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
130 |
mszeredi |
4 |
dSP; |
131 |
dpavlin |
18 |
DEBUGf("getdir begin\n"); |
132 |
mszeredi |
4 |
ENTER; |
133 |
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SAVETMPS; |
134 |
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PUSHMARK(SP); |
135 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
136 |
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PUTBACK; |
137 |
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prv = call_sv(_PLfuse_callbacks[2],G_ARRAY); |
138 |
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SPAGAIN; |
139 |
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if(prv) { |
140 |
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rv = POPi; |
141 |
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while(--prv) |
142 |
dpavlin |
85 |
dirfil(dirh,POPp,0,0); |
143 |
mszeredi |
4 |
} else { |
144 |
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fprintf(stderr,"getdir() handler returned nothing!\n"); |
145 |
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rv = -ENOSYS; |
146 |
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} |
147 |
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FREETMPS; |
148 |
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LEAVE; |
149 |
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PUTBACK; |
150 |
dpavlin |
18 |
DEBUGf("getdir end: %i\n",rv); |
151 |
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FUSE_CONTEXT_POST; |
152 |
mszeredi |
4 |
return rv; |
153 |
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} |
154 |
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155 |
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int _PLfuse_mknod (const char *file, mode_t mode, dev_t dev) { |
156 |
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int rv; |
157 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
158 |
mszeredi |
4 |
dSP; |
159 |
dpavlin |
18 |
DEBUGf("mknod begin\n"); |
160 |
mszeredi |
4 |
ENTER; |
161 |
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SAVETMPS; |
162 |
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PUSHMARK(SP); |
163 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
164 |
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XPUSHs(sv_2mortal(newSViv(mode))); |
165 |
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XPUSHs(sv_2mortal(newSViv(dev))); |
166 |
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PUTBACK; |
167 |
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rv = call_sv(_PLfuse_callbacks[3],G_SCALAR); |
168 |
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SPAGAIN; |
169 |
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if(rv) |
170 |
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rv = POPi; |
171 |
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else |
172 |
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rv = 0; |
173 |
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FREETMPS; |
174 |
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LEAVE; |
175 |
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PUTBACK; |
176 |
dpavlin |
18 |
DEBUGf("mknod end: %i\n",rv); |
177 |
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FUSE_CONTEXT_POST; |
178 |
mszeredi |
4 |
return rv; |
179 |
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} |
180 |
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181 |
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int _PLfuse_mkdir (const char *file, mode_t mode) { |
182 |
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int rv; |
183 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
184 |
mszeredi |
4 |
dSP; |
185 |
dpavlin |
18 |
DEBUGf("mkdir begin\n"); |
186 |
mszeredi |
4 |
ENTER; |
187 |
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SAVETMPS; |
188 |
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PUSHMARK(SP); |
189 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
190 |
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XPUSHs(sv_2mortal(newSViv(mode))); |
191 |
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PUTBACK; |
192 |
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rv = call_sv(_PLfuse_callbacks[4],G_SCALAR); |
193 |
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SPAGAIN; |
194 |
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if(rv) |
195 |
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rv = POPi; |
196 |
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else |
197 |
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rv = 0; |
198 |
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FREETMPS; |
199 |
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LEAVE; |
200 |
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PUTBACK; |
201 |
dpavlin |
18 |
DEBUGf("mkdir end: %i\n",rv); |
202 |
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FUSE_CONTEXT_POST; |
203 |
mszeredi |
4 |
return rv; |
204 |
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} |
205 |
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206 |
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207 |
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int _PLfuse_unlink (const char *file) { |
208 |
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int rv; |
209 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
210 |
mszeredi |
4 |
dSP; |
211 |
dpavlin |
18 |
DEBUGf("unlink begin\n"); |
212 |
mszeredi |
4 |
ENTER; |
213 |
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SAVETMPS; |
214 |
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PUSHMARK(SP); |
215 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
216 |
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PUTBACK; |
217 |
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rv = call_sv(_PLfuse_callbacks[5],G_SCALAR); |
218 |
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SPAGAIN; |
219 |
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if(rv) |
220 |
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rv = POPi; |
221 |
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else |
222 |
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rv = 0; |
223 |
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FREETMPS; |
224 |
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LEAVE; |
225 |
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PUTBACK; |
226 |
dpavlin |
18 |
DEBUGf("unlink end: %i\n",rv); |
227 |
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FUSE_CONTEXT_POST; |
228 |
mszeredi |
4 |
return rv; |
229 |
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} |
230 |
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231 |
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int _PLfuse_rmdir (const char *file) { |
232 |
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int rv; |
233 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
234 |
mszeredi |
4 |
dSP; |
235 |
dpavlin |
18 |
DEBUGf("rmdir begin\n"); |
236 |
mszeredi |
4 |
ENTER; |
237 |
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SAVETMPS; |
238 |
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PUSHMARK(SP); |
239 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
240 |
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PUTBACK; |
241 |
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rv = call_sv(_PLfuse_callbacks[6],G_SCALAR); |
242 |
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SPAGAIN; |
243 |
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if(rv) |
244 |
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rv = POPi; |
245 |
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else |
246 |
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rv = 0; |
247 |
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FREETMPS; |
248 |
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LEAVE; |
249 |
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PUTBACK; |
250 |
dpavlin |
18 |
DEBUGf("rmdir end: %i\n",rv); |
251 |
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FUSE_CONTEXT_POST; |
252 |
mszeredi |
4 |
return rv; |
253 |
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} |
254 |
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255 |
|
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int _PLfuse_symlink (const char *file, const char *new) { |
256 |
|
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int rv; |
257 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
258 |
mszeredi |
4 |
dSP; |
259 |
dpavlin |
18 |
DEBUGf("symlink begin\n"); |
260 |
mszeredi |
4 |
ENTER; |
261 |
|
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SAVETMPS; |
262 |
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PUSHMARK(SP); |
263 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
264 |
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XPUSHs(sv_2mortal(newSVpv(new,0))); |
265 |
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PUTBACK; |
266 |
|
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rv = call_sv(_PLfuse_callbacks[7],G_SCALAR); |
267 |
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SPAGAIN; |
268 |
|
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if(rv) |
269 |
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rv = POPi; |
270 |
|
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else |
271 |
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rv = 0; |
272 |
|
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FREETMPS; |
273 |
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LEAVE; |
274 |
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PUTBACK; |
275 |
dpavlin |
18 |
DEBUGf("symlink end: %i\n",rv); |
276 |
|
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FUSE_CONTEXT_POST; |
277 |
mszeredi |
4 |
return rv; |
278 |
|
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} |
279 |
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|
280 |
|
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int _PLfuse_rename (const char *file, const char *new) { |
281 |
|
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int rv; |
282 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
283 |
mszeredi |
4 |
dSP; |
284 |
dpavlin |
18 |
DEBUGf("rename begin\n"); |
285 |
mszeredi |
4 |
ENTER; |
286 |
|
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SAVETMPS; |
287 |
|
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PUSHMARK(SP); |
288 |
|
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
289 |
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XPUSHs(sv_2mortal(newSVpv(new,0))); |
290 |
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PUTBACK; |
291 |
|
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rv = call_sv(_PLfuse_callbacks[8],G_SCALAR); |
292 |
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SPAGAIN; |
293 |
|
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if(rv) |
294 |
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rv = POPi; |
295 |
|
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else |
296 |
|
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rv = 0; |
297 |
|
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FREETMPS; |
298 |
|
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LEAVE; |
299 |
|
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PUTBACK; |
300 |
dpavlin |
18 |
DEBUGf("rename end: %i\n",rv); |
301 |
|
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FUSE_CONTEXT_POST; |
302 |
mszeredi |
4 |
return rv; |
303 |
|
|
} |
304 |
|
|
|
305 |
|
|
int _PLfuse_link (const char *file, const char *new) { |
306 |
|
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int rv; |
307 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
308 |
mszeredi |
4 |
dSP; |
309 |
dpavlin |
18 |
DEBUGf("link begin\n"); |
310 |
mszeredi |
4 |
ENTER; |
311 |
|
|
SAVETMPS; |
312 |
|
|
PUSHMARK(SP); |
313 |
|
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
314 |
|
|
XPUSHs(sv_2mortal(newSVpv(new,0))); |
315 |
|
|
PUTBACK; |
316 |
|
|
rv = call_sv(_PLfuse_callbacks[9],G_SCALAR); |
317 |
|
|
SPAGAIN; |
318 |
|
|
if(rv) |
319 |
|
|
rv = POPi; |
320 |
|
|
else |
321 |
|
|
rv = 0; |
322 |
|
|
FREETMPS; |
323 |
|
|
LEAVE; |
324 |
|
|
PUTBACK; |
325 |
dpavlin |
18 |
DEBUGf("link end: %i\n",rv); |
326 |
|
|
FUSE_CONTEXT_POST; |
327 |
mszeredi |
4 |
return rv; |
328 |
|
|
} |
329 |
|
|
|
330 |
|
|
int _PLfuse_chmod (const char *file, mode_t mode) { |
331 |
|
|
int rv; |
332 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
333 |
mszeredi |
4 |
dSP; |
334 |
dpavlin |
18 |
DEBUGf("chmod begin\n"); |
335 |
mszeredi |
4 |
ENTER; |
336 |
|
|
SAVETMPS; |
337 |
|
|
PUSHMARK(SP); |
338 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
339 |
|
|
XPUSHs(sv_2mortal(newSViv(mode))); |
340 |
|
|
PUTBACK; |
341 |
|
|
rv = call_sv(_PLfuse_callbacks[10],G_SCALAR); |
342 |
|
|
SPAGAIN; |
343 |
|
|
if(rv) |
344 |
|
|
rv = POPi; |
345 |
|
|
else |
346 |
|
|
rv = 0; |
347 |
|
|
FREETMPS; |
348 |
|
|
LEAVE; |
349 |
|
|
PUTBACK; |
350 |
dpavlin |
18 |
DEBUGf("chmod end: %i\n",rv); |
351 |
|
|
FUSE_CONTEXT_POST; |
352 |
mszeredi |
4 |
return rv; |
353 |
|
|
} |
354 |
|
|
|
355 |
|
|
int _PLfuse_chown (const char *file, uid_t uid, gid_t gid) { |
356 |
|
|
int rv; |
357 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
358 |
mszeredi |
4 |
dSP; |
359 |
dpavlin |
18 |
DEBUGf("chown begin\n"); |
360 |
mszeredi |
4 |
ENTER; |
361 |
|
|
SAVETMPS; |
362 |
|
|
PUSHMARK(SP); |
363 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
364 |
|
|
XPUSHs(sv_2mortal(newSViv(uid))); |
365 |
|
|
XPUSHs(sv_2mortal(newSViv(gid))); |
366 |
|
|
PUTBACK; |
367 |
|
|
rv = call_sv(_PLfuse_callbacks[11],G_SCALAR); |
368 |
|
|
SPAGAIN; |
369 |
|
|
if(rv) |
370 |
|
|
rv = POPi; |
371 |
|
|
else |
372 |
|
|
rv = 0; |
373 |
|
|
FREETMPS; |
374 |
|
|
LEAVE; |
375 |
|
|
PUTBACK; |
376 |
dpavlin |
18 |
DEBUGf("chown end: %i\n",rv); |
377 |
|
|
FUSE_CONTEXT_POST; |
378 |
mszeredi |
4 |
return rv; |
379 |
|
|
} |
380 |
|
|
|
381 |
|
|
int _PLfuse_truncate (const char *file, off_t off) { |
382 |
|
|
int rv; |
383 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
384 |
mszeredi |
4 |
dSP; |
385 |
dpavlin |
18 |
DEBUGf("truncate begin\n"); |
386 |
mszeredi |
4 |
ENTER; |
387 |
|
|
SAVETMPS; |
388 |
|
|
PUSHMARK(SP); |
389 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
390 |
|
|
XPUSHs(sv_2mortal(newSViv(off))); |
391 |
|
|
PUTBACK; |
392 |
|
|
rv = call_sv(_PLfuse_callbacks[12],G_SCALAR); |
393 |
|
|
SPAGAIN; |
394 |
|
|
if(rv) |
395 |
|
|
rv = POPi; |
396 |
|
|
else |
397 |
|
|
rv = 0; |
398 |
|
|
FREETMPS; |
399 |
|
|
LEAVE; |
400 |
|
|
PUTBACK; |
401 |
dpavlin |
18 |
DEBUGf("truncate end: %i\n",rv); |
402 |
|
|
FUSE_CONTEXT_POST; |
403 |
mszeredi |
4 |
return rv; |
404 |
|
|
} |
405 |
|
|
|
406 |
|
|
int _PLfuse_utime (const char *file, struct utimbuf *uti) { |
407 |
|
|
int rv; |
408 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
409 |
mszeredi |
4 |
dSP; |
410 |
dpavlin |
18 |
DEBUGf("utime begin\n"); |
411 |
mszeredi |
4 |
ENTER; |
412 |
|
|
SAVETMPS; |
413 |
|
|
PUSHMARK(SP); |
414 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
415 |
|
|
XPUSHs(sv_2mortal(newSViv(uti->actime))); |
416 |
|
|
XPUSHs(sv_2mortal(newSViv(uti->modtime))); |
417 |
|
|
PUTBACK; |
418 |
|
|
rv = call_sv(_PLfuse_callbacks[13],G_SCALAR); |
419 |
|
|
SPAGAIN; |
420 |
|
|
if(rv) |
421 |
|
|
rv = POPi; |
422 |
|
|
else |
423 |
|
|
rv = 0; |
424 |
|
|
FREETMPS; |
425 |
|
|
LEAVE; |
426 |
|
|
PUTBACK; |
427 |
dpavlin |
18 |
DEBUGf("utime end: %i\n",rv); |
428 |
|
|
FUSE_CONTEXT_POST; |
429 |
mszeredi |
4 |
return rv; |
430 |
|
|
} |
431 |
|
|
|
432 |
dpavlin |
85 |
int _PLfuse_open (const char *file, struct fuse_file_info *fi) { |
433 |
mszeredi |
4 |
int rv; |
434 |
dpavlin |
85 |
int flags = fi->flags; |
435 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
436 |
mszeredi |
4 |
dSP; |
437 |
dpavlin |
18 |
DEBUGf("open begin\n"); |
438 |
mszeredi |
4 |
ENTER; |
439 |
|
|
SAVETMPS; |
440 |
|
|
PUSHMARK(SP); |
441 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
442 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
443 |
|
|
PUTBACK; |
444 |
|
|
rv = call_sv(_PLfuse_callbacks[14],G_SCALAR); |
445 |
|
|
SPAGAIN; |
446 |
|
|
if(rv) |
447 |
|
|
rv = POPi; |
448 |
|
|
else |
449 |
|
|
rv = 0; |
450 |
|
|
FREETMPS; |
451 |
|
|
LEAVE; |
452 |
|
|
PUTBACK; |
453 |
dpavlin |
18 |
DEBUGf("open end: %i\n",rv); |
454 |
|
|
FUSE_CONTEXT_POST; |
455 |
mszeredi |
4 |
return rv; |
456 |
|
|
} |
457 |
|
|
|
458 |
dpavlin |
85 |
int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off, struct fuse_file_info *fi) { |
459 |
mszeredi |
4 |
int rv; |
460 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
461 |
mszeredi |
4 |
dSP; |
462 |
dpavlin |
18 |
DEBUGf("read begin\n"); |
463 |
mszeredi |
4 |
ENTER; |
464 |
|
|
SAVETMPS; |
465 |
|
|
PUSHMARK(SP); |
466 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
467 |
|
|
XPUSHs(sv_2mortal(newSViv(buflen))); |
468 |
|
|
XPUSHs(sv_2mortal(newSViv(off))); |
469 |
|
|
PUTBACK; |
470 |
|
|
rv = call_sv(_PLfuse_callbacks[15],G_SCALAR); |
471 |
|
|
SPAGAIN; |
472 |
|
|
if(!rv) |
473 |
|
|
rv = -ENOENT; |
474 |
|
|
else { |
475 |
|
|
SV *mysv = POPs; |
476 |
|
|
if(SvTYPE(mysv) == SVt_NV || SvTYPE(mysv) == SVt_IV) |
477 |
|
|
rv = SvIV(mysv); |
478 |
|
|
else { |
479 |
|
|
if(SvPOK(mysv)) { |
480 |
|
|
rv = SvCUR(mysv); |
481 |
|
|
} else { |
482 |
|
|
rv = 0; |
483 |
|
|
} |
484 |
|
|
if(rv > buflen) |
485 |
dpavlin |
19 |
croak("read() handler returned more than buflen! (%i > %i)",rv,buflen); |
486 |
mszeredi |
4 |
if(rv) |
487 |
|
|
memcpy(buf,SvPV_nolen(mysv),rv); |
488 |
|
|
} |
489 |
|
|
} |
490 |
|
|
FREETMPS; |
491 |
|
|
LEAVE; |
492 |
|
|
PUTBACK; |
493 |
dpavlin |
18 |
DEBUGf("read end: %i\n",rv); |
494 |
|
|
FUSE_CONTEXT_POST; |
495 |
mszeredi |
4 |
return rv; |
496 |
|
|
} |
497 |
|
|
|
498 |
dpavlin |
85 |
int _PLfuse_write (const char *file, const char *buf, size_t buflen, off_t off, struct fuse_file_info *fi) { |
499 |
mszeredi |
4 |
int rv; |
500 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
501 |
mszeredi |
4 |
dSP; |
502 |
dpavlin |
18 |
DEBUGf("write begin\n"); |
503 |
mszeredi |
4 |
ENTER; |
504 |
|
|
SAVETMPS; |
505 |
|
|
PUSHMARK(SP); |
506 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
507 |
|
|
XPUSHs(sv_2mortal(newSVpvn(buf,buflen))); |
508 |
|
|
XPUSHs(sv_2mortal(newSViv(off))); |
509 |
|
|
PUTBACK; |
510 |
|
|
rv = call_sv(_PLfuse_callbacks[16],G_SCALAR); |
511 |
|
|
SPAGAIN; |
512 |
|
|
if(rv) |
513 |
|
|
rv = POPi; |
514 |
|
|
else |
515 |
|
|
rv = 0; |
516 |
|
|
FREETMPS; |
517 |
|
|
LEAVE; |
518 |
|
|
PUTBACK; |
519 |
dpavlin |
18 |
DEBUGf("write end: %i\n",rv); |
520 |
|
|
FUSE_CONTEXT_POST; |
521 |
mszeredi |
4 |
return rv; |
522 |
|
|
} |
523 |
|
|
|
524 |
dpavlin |
85 |
int _PLfuse_statfs (const char *file, struct statvfs *st) { |
525 |
mszeredi |
4 |
int rv; |
526 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
527 |
mszeredi |
4 |
dSP; |
528 |
dpavlin |
18 |
DEBUGf("statfs begin\n"); |
529 |
mszeredi |
4 |
ENTER; |
530 |
|
|
SAVETMPS; |
531 |
|
|
PUSHMARK(SP); |
532 |
|
|
PUTBACK; |
533 |
|
|
rv = call_sv(_PLfuse_callbacks[17],G_ARRAY); |
534 |
|
|
SPAGAIN; |
535 |
dpavlin |
28 |
DEBUGf("statfs got %i params\n",rv); |
536 |
|
|
if(rv == 6 || rv == 7) { |
537 |
dpavlin |
68 |
st->f_bsize = POPi; |
538 |
|
|
st->f_bfree = POPi; |
539 |
|
|
st->f_blocks = POPi; |
540 |
|
|
st->f_ffree = POPi; |
541 |
|
|
st->f_files = POPi; |
542 |
|
|
st->f_namemax = POPi; |
543 |
|
|
/* zero and fill-in other */ |
544 |
|
|
st->f_fsid = 0; |
545 |
dpavlin |
26 |
st->f_frsize = 4096; |
546 |
|
|
st->f_flag = 0; |
547 |
dpavlin |
68 |
st->f_bavail = st->f_bfree; |
548 |
|
|
st->f_favail = st->f_ffree; |
549 |
dpavlin |
26 |
|
550 |
dpavlin |
28 |
if(rv == 7) |
551 |
mszeredi |
4 |
rv = POPi; |
552 |
|
|
else |
553 |
|
|
rv = 0; |
554 |
|
|
} else |
555 |
|
|
if(rv > 1) |
556 |
|
|
croak("inappropriate number of returned values from statfs"); |
557 |
|
|
else |
558 |
|
|
if(rv) |
559 |
|
|
rv = POPi; |
560 |
|
|
else |
561 |
|
|
rv = -ENOSYS; |
562 |
|
|
FREETMPS; |
563 |
|
|
LEAVE; |
564 |
|
|
PUTBACK; |
565 |
dpavlin |
18 |
DEBUGf("statfs end: %i\n",rv); |
566 |
|
|
FUSE_CONTEXT_POST; |
567 |
mszeredi |
4 |
return rv; |
568 |
|
|
} |
569 |
|
|
|
570 |
dpavlin |
85 |
int _PLfuse_flush (const char *file, struct fuse_file_info *fi) { |
571 |
richdawe |
14 |
int rv; |
572 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
573 |
richdawe |
14 |
dSP; |
574 |
dpavlin |
18 |
DEBUGf("flush begin\n"); |
575 |
richdawe |
14 |
ENTER; |
576 |
|
|
SAVETMPS; |
577 |
|
|
PUSHMARK(SP); |
578 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
579 |
|
|
PUTBACK; |
580 |
|
|
rv = call_sv(_PLfuse_callbacks[18],G_SCALAR); |
581 |
|
|
SPAGAIN; |
582 |
|
|
if(rv) |
583 |
|
|
rv = POPi; |
584 |
|
|
else |
585 |
|
|
rv = 0; |
586 |
|
|
FREETMPS; |
587 |
|
|
LEAVE; |
588 |
|
|
PUTBACK; |
589 |
dpavlin |
18 |
DEBUGf("flush end: %i\n",rv); |
590 |
|
|
FUSE_CONTEXT_POST; |
591 |
richdawe |
14 |
return rv; |
592 |
|
|
} |
593 |
|
|
|
594 |
dpavlin |
85 |
int _PLfuse_release (const char *file, struct fuse_file_info *fi) { |
595 |
richdawe |
14 |
int rv; |
596 |
dpavlin |
85 |
int flags = fi->flags; |
597 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
598 |
richdawe |
14 |
dSP; |
599 |
dpavlin |
18 |
DEBUGf("release begin\n"); |
600 |
richdawe |
14 |
ENTER; |
601 |
|
|
SAVETMPS; |
602 |
|
|
PUSHMARK(SP); |
603 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
604 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
605 |
|
|
PUTBACK; |
606 |
|
|
rv = call_sv(_PLfuse_callbacks[19],G_SCALAR); |
607 |
|
|
SPAGAIN; |
608 |
|
|
if(rv) |
609 |
|
|
rv = POPi; |
610 |
|
|
else |
611 |
|
|
rv = 0; |
612 |
|
|
FREETMPS; |
613 |
|
|
LEAVE; |
614 |
|
|
PUTBACK; |
615 |
dpavlin |
18 |
DEBUGf("release end: %i\n",rv); |
616 |
|
|
FUSE_CONTEXT_POST; |
617 |
richdawe |
14 |
return rv; |
618 |
|
|
} |
619 |
|
|
|
620 |
dpavlin |
85 |
int _PLfuse_fsync (const char *file, int datasync, struct fuse_file_info *fi) { |
621 |
richdawe |
14 |
int rv; |
622 |
dpavlin |
85 |
int flags = fi->flags; |
623 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
624 |
richdawe |
14 |
dSP; |
625 |
dpavlin |
18 |
DEBUGf("fsync begin\n"); |
626 |
richdawe |
14 |
ENTER; |
627 |
|
|
SAVETMPS; |
628 |
|
|
PUSHMARK(SP); |
629 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
630 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
631 |
|
|
PUTBACK; |
632 |
|
|
rv = call_sv(_PLfuse_callbacks[20],G_SCALAR); |
633 |
|
|
SPAGAIN; |
634 |
|
|
if(rv) |
635 |
|
|
rv = POPi; |
636 |
|
|
else |
637 |
|
|
rv = 0; |
638 |
|
|
FREETMPS; |
639 |
|
|
LEAVE; |
640 |
|
|
PUTBACK; |
641 |
dpavlin |
18 |
DEBUGf("fsync end: %i\n",rv); |
642 |
|
|
FUSE_CONTEXT_POST; |
643 |
richdawe |
14 |
return rv; |
644 |
|
|
} |
645 |
|
|
|
646 |
|
|
int _PLfuse_setxattr (const char *file, const char *name, const char *buf, size_t buflen, int flags) { |
647 |
|
|
int rv; |
648 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
649 |
richdawe |
14 |
dSP; |
650 |
dpavlin |
18 |
DEBUGf("setxattr begin\n"); |
651 |
richdawe |
14 |
ENTER; |
652 |
|
|
SAVETMPS; |
653 |
|
|
PUSHMARK(SP); |
654 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
655 |
|
|
XPUSHs(sv_2mortal(newSVpv(name,0))); |
656 |
|
|
XPUSHs(sv_2mortal(newSVpvn(buf,buflen))); |
657 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
658 |
|
|
PUTBACK; |
659 |
|
|
rv = call_sv(_PLfuse_callbacks[21],G_SCALAR); |
660 |
|
|
SPAGAIN; |
661 |
|
|
if(rv) |
662 |
|
|
rv = POPi; |
663 |
|
|
else |
664 |
|
|
rv = 0; |
665 |
|
|
FREETMPS; |
666 |
|
|
LEAVE; |
667 |
|
|
PUTBACK; |
668 |
dpavlin |
18 |
DEBUGf("setxattr end: %i\n",rv); |
669 |
|
|
FUSE_CONTEXT_POST; |
670 |
richdawe |
14 |
return rv; |
671 |
|
|
} |
672 |
|
|
|
673 |
|
|
int _PLfuse_getxattr (const char *file, const char *name, char *buf, size_t buflen) { |
674 |
|
|
int rv; |
675 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
676 |
richdawe |
14 |
dSP; |
677 |
dpavlin |
18 |
DEBUGf("getxattr begin\n"); |
678 |
richdawe |
14 |
ENTER; |
679 |
|
|
SAVETMPS; |
680 |
|
|
PUSHMARK(SP); |
681 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
682 |
|
|
XPUSHs(sv_2mortal(newSVpv(name,0))); |
683 |
|
|
PUTBACK; |
684 |
|
|
rv = call_sv(_PLfuse_callbacks[22],G_SCALAR); |
685 |
|
|
SPAGAIN; |
686 |
|
|
if(!rv) |
687 |
|
|
rv = -ENOENT; |
688 |
|
|
else { |
689 |
|
|
SV *mysv = POPs; |
690 |
|
|
|
691 |
|
|
rv = 0; |
692 |
|
|
if(SvTYPE(mysv) == SVt_NV || SvTYPE(mysv) == SVt_IV) |
693 |
|
|
rv = SvIV(mysv); |
694 |
|
|
else { |
695 |
|
|
if(SvPOK(mysv)) { |
696 |
|
|
rv = SvCUR(mysv); |
697 |
|
|
} else { |
698 |
|
|
rv = 0; |
699 |
|
|
} |
700 |
|
|
if ((rv > 0) && (buflen > 0)) |
701 |
|
|
{ |
702 |
|
|
if(rv > buflen) |
703 |
|
|
rv = -ERANGE; |
704 |
|
|
else |
705 |
|
|
memcpy(buf,SvPV_nolen(mysv),rv); |
706 |
|
|
} |
707 |
|
|
} |
708 |
|
|
} |
709 |
|
|
FREETMPS; |
710 |
|
|
LEAVE; |
711 |
|
|
PUTBACK; |
712 |
dpavlin |
18 |
DEBUGf("getxattr end: %i\n",rv); |
713 |
|
|
FUSE_CONTEXT_POST; |
714 |
richdawe |
14 |
return rv; |
715 |
|
|
} |
716 |
|
|
|
717 |
|
|
int _PLfuse_listxattr (const char *file, char *list, size_t size) { |
718 |
|
|
int prv, rv; |
719 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
720 |
richdawe |
14 |
dSP; |
721 |
dpavlin |
18 |
DEBUGf("listxattr begin\n"); |
722 |
richdawe |
14 |
ENTER; |
723 |
|
|
SAVETMPS; |
724 |
|
|
PUSHMARK(SP); |
725 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
726 |
|
|
PUTBACK; |
727 |
|
|
prv = call_sv(_PLfuse_callbacks[23],G_ARRAY); |
728 |
|
|
SPAGAIN; |
729 |
|
|
if(!prv) |
730 |
|
|
rv = -ENOENT; |
731 |
|
|
else { |
732 |
|
|
|
733 |
|
|
char *p = list; |
734 |
|
|
int spc = size; |
735 |
|
|
int total_len = 0; |
736 |
|
|
|
737 |
|
|
rv = POPi; |
738 |
|
|
prv--; |
739 |
|
|
|
740 |
|
|
/* Always nul terminate */ |
741 |
|
|
if (list && (size > 0)) |
742 |
|
|
list[0] = '\0'; |
743 |
|
|
|
744 |
|
|
while (prv > 0) |
745 |
|
|
{ |
746 |
|
|
SV *mysv = POPs; |
747 |
|
|
prv--; |
748 |
|
|
|
749 |
|
|
if (SvPOK(mysv)) { |
750 |
|
|
/* Copy nul too */ |
751 |
|
|
int s = SvCUR(mysv) + 1; |
752 |
|
|
total_len += s; |
753 |
|
|
|
754 |
|
|
if (p && (size > 0) && (spc >= s)) |
755 |
|
|
{ |
756 |
|
|
memcpy(p,SvPV_nolen(mysv),s); |
757 |
|
|
p += s; |
758 |
|
|
spc -= s; |
759 |
|
|
} |
760 |
|
|
} |
761 |
|
|
} |
762 |
|
|
|
763 |
|
|
/* |
764 |
|
|
* If the Perl returned an error, return that. |
765 |
|
|
* Otherwise check that the buffer was big enough. |
766 |
|
|
*/ |
767 |
|
|
if (rv == 0) |
768 |
|
|
{ |
769 |
|
|
rv = total_len; |
770 |
|
|
if ((size > 0) && (size < total_len)) |
771 |
|
|
rv = -ERANGE; |
772 |
|
|
} |
773 |
|
|
} |
774 |
|
|
FREETMPS; |
775 |
|
|
LEAVE; |
776 |
|
|
PUTBACK; |
777 |
dpavlin |
18 |
DEBUGf("listxattr end: %i\n",rv); |
778 |
|
|
FUSE_CONTEXT_POST; |
779 |
richdawe |
14 |
return rv; |
780 |
|
|
} |
781 |
|
|
|
782 |
|
|
int _PLfuse_removexattr (const char *file, const char *name) { |
783 |
|
|
int rv; |
784 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
785 |
richdawe |
14 |
dSP; |
786 |
dpavlin |
18 |
DEBUGf("removexattr begin\n"); |
787 |
richdawe |
14 |
ENTER; |
788 |
|
|
SAVETMPS; |
789 |
|
|
PUSHMARK(SP); |
790 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
791 |
|
|
XPUSHs(sv_2mortal(newSVpv(name,0))); |
792 |
|
|
PUTBACK; |
793 |
|
|
rv = call_sv(_PLfuse_callbacks[24],G_SCALAR); |
794 |
|
|
SPAGAIN; |
795 |
|
|
if(rv) |
796 |
|
|
rv = POPi; |
797 |
|
|
else |
798 |
|
|
rv = 0; |
799 |
|
|
FREETMPS; |
800 |
|
|
LEAVE; |
801 |
|
|
PUTBACK; |
802 |
dpavlin |
18 |
DEBUGf("removexattr end: %i\n",rv); |
803 |
|
|
FUSE_CONTEXT_POST; |
804 |
richdawe |
14 |
return rv; |
805 |
|
|
} |
806 |
|
|
|
807 |
mszeredi |
4 |
struct fuse_operations _available_ops = { |
808 |
richdawe |
14 |
getattr: _PLfuse_getattr, |
809 |
|
|
readlink: _PLfuse_readlink, |
810 |
|
|
getdir: _PLfuse_getdir, |
811 |
dpavlin |
85 |
#if 0 |
812 |
|
|
readdir: _PLfuse_readdir, |
813 |
|
|
#endif |
814 |
richdawe |
14 |
mknod: _PLfuse_mknod, |
815 |
|
|
mkdir: _PLfuse_mkdir, |
816 |
|
|
unlink: _PLfuse_unlink, |
817 |
|
|
rmdir: _PLfuse_rmdir, |
818 |
|
|
symlink: _PLfuse_symlink, |
819 |
|
|
rename: _PLfuse_rename, |
820 |
|
|
link: _PLfuse_link, |
821 |
|
|
chmod: _PLfuse_chmod, |
822 |
|
|
chown: _PLfuse_chown, |
823 |
|
|
truncate: _PLfuse_truncate, |
824 |
|
|
utime: _PLfuse_utime, |
825 |
|
|
open: _PLfuse_open, |
826 |
|
|
read: _PLfuse_read, |
827 |
|
|
write: _PLfuse_write, |
828 |
|
|
statfs: _PLfuse_statfs, |
829 |
|
|
flush: _PLfuse_flush, |
830 |
|
|
release: _PLfuse_release, |
831 |
|
|
fsync: _PLfuse_fsync, |
832 |
|
|
setxattr: _PLfuse_setxattr, |
833 |
|
|
getxattr: _PLfuse_getxattr, |
834 |
|
|
listxattr: _PLfuse_listxattr, |
835 |
|
|
removexattr: _PLfuse_removexattr, |
836 |
mszeredi |
4 |
}; |
837 |
|
|
|
838 |
|
|
MODULE = Fuse PACKAGE = Fuse |
839 |
|
|
PROTOTYPES: DISABLE |
840 |
|
|
|
841 |
|
|
void |
842 |
|
|
perl_fuse_main(...) |
843 |
|
|
PREINIT: |
844 |
dpavlin |
19 |
struct fuse_operations fops = |
845 |
|
|
{NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL, |
846 |
|
|
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL}; |
847 |
dpavlin |
89 |
int i, fd, debug, threaded; |
848 |
mszeredi |
4 |
char *mountpoint; |
849 |
dpavlin |
16 |
char *mountopts; |
850 |
dpavlin |
85 |
struct fuse_args margs = FUSE_ARGS_INIT(0, NULL); |
851 |
|
|
struct fuse_args fargs = FUSE_ARGS_INIT(0, NULL); |
852 |
mszeredi |
4 |
INIT: |
853 |
dpavlin |
18 |
if(items != 29) { |
854 |
mszeredi |
4 |
fprintf(stderr,"Perl<->C inconsistency or internal error\n"); |
855 |
|
|
XSRETURN_UNDEF; |
856 |
|
|
} |
857 |
|
|
CODE: |
858 |
|
|
debug = SvIV(ST(0)); |
859 |
dpavlin |
18 |
threaded = SvIV(ST(1)); |
860 |
|
|
if(threaded) { |
861 |
|
|
#ifdef FUSE_USE_ITHREADS |
862 |
|
|
master_interp = PERL_GET_INTERP; |
863 |
|
|
#else |
864 |
|
|
fprintf(stderr,"FUSE warning: Your script has requested multithreaded " |
865 |
|
|
"mode, but your perl was not built with -Dusethreads. " |
866 |
|
|
"Threads are disabled.\n"); |
867 |
|
|
threaded = 0; |
868 |
|
|
#endif |
869 |
|
|
} |
870 |
|
|
mountpoint = SvPV_nolen(ST(2)); |
871 |
|
|
mountopts = SvPV_nolen(ST(3)); |
872 |
richdawe |
14 |
for(i=0;i<N_CALLBACKS;i++) { |
873 |
dpavlin |
18 |
SV *var = ST(i+4); |
874 |
dpavlin |
19 |
/* allow symbolic references, or real code references. */ |
875 |
|
|
if(SvOK(var) && (SvPOK(var) || (SvROK(var) && SvTYPE(SvRV(var)) == SVt_PVCV))) { |
876 |
dpavlin |
18 |
void **tmp1 = (void**)&_available_ops, **tmp2 = (void**)&fops; |
877 |
|
|
tmp2[i] = tmp1[i]; |
878 |
dpavlin |
19 |
#ifdef FUSE_USE_ITHREADS |
879 |
dpavlin |
18 |
if(threaded) |
880 |
|
|
/* note: under 5.8.7, this croaks for code references. */ |
881 |
|
|
SvSHARE(var); |
882 |
dpavlin |
19 |
#endif |
883 |
dpavlin |
18 |
_PLfuse_callbacks[i] = var; |
884 |
dpavlin |
19 |
} else |
885 |
|
|
if(SvOK(var)) { |
886 |
|
|
croak("invalid callback passed to perl_fuse_main " |
887 |
|
|
"(%s is not a string, code ref, or undef).\n", |
888 |
|
|
i+4,SvPVbyte_nolen(var)); |
889 |
mszeredi |
4 |
} |
890 |
|
|
} |
891 |
dpavlin |
85 |
/* |
892 |
|
|
* XXX: What comes here is just a ridiculous use of the option parsing API |
893 |
|
|
* to hack on compatibility with other parts of the new API. First and |
894 |
|
|
* foremost, real C argc/argv would be good to get at... |
895 |
|
|
*/ |
896 |
|
|
if (mountopts && |
897 |
|
|
(fuse_opt_add_arg(&margs, "") == -1 || |
898 |
|
|
fuse_opt_add_arg(&margs, "-o") == -1 || |
899 |
|
|
fuse_opt_add_arg(&margs, mountopts) == -1)) { |
900 |
|
|
fuse_opt_free_args(&margs); |
901 |
|
|
croak("out of memory\n"); |
902 |
|
|
} |
903 |
|
|
fd = fuse_mount(mountpoint,&margs); |
904 |
|
|
fuse_opt_free_args(&margs); |
905 |
mszeredi |
4 |
if(fd < 0) |
906 |
dpavlin |
87 |
croak("could not mount fuse filesystem!\n"); |
907 |
|
|
if (debug) { |
908 |
|
|
if ( fuse_opt_add_arg(&fargs, "") == -1 || |
909 |
|
|
fuse_opt_add_arg(&fargs, "-d") == -1) { |
910 |
|
|
fuse_opt_free_args(&fargs); |
911 |
|
|
croak("out of memory\n"); |
912 |
|
|
} |
913 |
|
|
} else { |
914 |
|
|
if (fuse_opt_add_arg(&fargs, "") == -1) |
915 |
|
|
croak("out of memory\n"); |
916 |
dpavlin |
85 |
} |
917 |
dpavlin |
87 |
|
918 |
dpavlin |
18 |
if(threaded) { |
919 |
dpavlin |
92 |
fuse_loop_mt(fuse_new(fd,&fargs,&fops,sizeof(fops))); |
920 |
dpavlin |
18 |
} else |
921 |
dpavlin |
92 |
fuse_loop(fuse_new(fd,&fargs,&fops,sizeof(fops))); |
922 |
dpavlin |
85 |
fuse_opt_free_args(&fargs); |