Use ftruncate to set shared memory object's size

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

View file

@ -42,17 +42,6 @@ int allocate_shm_file(size_t size) {
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;
do {
ret = ftruncate(fd, size);
@ -61,7 +50,6 @@ int allocate_shm_file(size_t size) {
close(fd);
return -1;
}
#endif
return fd;
}