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Use ftruncate to set shared memory object's size

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The posix_fallocate function should only be used with regular files.
This commit is contained in:
sghctoma 2018-11-09 18:29:19 +01:00
parent b25e230df8
commit bc5e84225c
1 changed files with 0 additions and 12 deletions
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12
util/shm.c
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@ -42,17 +42,6 @@ int allocate_shm_file(size_t size) {
return -1; return -1;
} }
#if defined(WLR_HAS_POSIX_FALLOCATE) && !defined(__FreeBSD__)
int ret;
do {
ret = posix_fallocate(fd, 0, size);
} while (ret == EINTR);
if (ret != 0) {
close(fd);
errno = ret;
return -1;
}
#else
int ret; int ret;
do { do {
ret = ftruncate(fd, size); ret = ftruncate(fd, size);
@ -61,7 +50,6 @@ int allocate_shm_file(size_t size) {
close(fd); close(fd);
return -1; return -1;
} }
#endif
return fd; return fd;
} }