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e9fed2438a
Previously, glibc would pick an arbitrary tmpfs file system from /proc/mounts if /dev/shm was not available. This could lead to an unsuitable file system being picked for the backing storage for shm_open, sem_open, and related functions. This patch introduces a new function, __shm_get_name, which builds the file name under the appropriate (now hard-coded) directory. It is called from the various shm_* and sem_* function. Unlike the SHM_GET_NAME macro it replaces, the callers handle the return values and errno updates. shm-directory.c is moved directly into the posix subdirectory because it can be implemented directly using POSIX functionality. It resides in libc because it is needed by both librt and nptl/htl. In the sem_open implementation, tmpfname is initialized directly from a string constant. This happens to remove one alloca call. Checked on x86_64-linux-gnu. |
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| .. | ||
| bits | ||
| sys | ||
| aio_misc.h | ||
| allocrtsig.c | ||
| dl-thread_gscope_wait.c | ||
| dl-tunables.list | ||
| fork.c | ||
| fork.h | ||
| futex-internal.c | ||
| futex-internal.h | ||
| gai_misc.h | ||
| Implies | ||
| internaltypes.h | ||
| jmp-unwind.c | ||
| libc-lock.h | ||
| libc-lockP.h | ||
| librt-cancellation.c | ||
| lowlevellock-futex.h | ||
| lowlevellock.h | ||
| Makeconfig | ||
| Makefile | ||
| malloc-machine.h | ||
| proc_service.h | ||
| pthread-functions.h | ||
| pthread-offsets.h | ||
| pthread.h | ||
| setxid.h | ||
| stdio-lock.h | ||
| Subdirs | ||
| tcb-offsets.h | ||
| thrd_create.c | ||
| thread_db.h | ||
| timer_routines.h | ||
| tst-mqueue8x.c | ||
| unwind-forcedunwind.c | ||