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authorRoland McGrath <roland@hack.frob.com>2014-12-12 13:17:21 -0800
committerRoland McGrath <roland@hack.frob.com>2014-12-12 15:01:30 -0800
commite4f639e4a106d90c6f3159230788653fd6e40a26 (patch)
tree0273305e960bcb5f46e3debc523eecc312e1bba8 /nptl/sem_unlink.c
parentc76d1ff5149bd03210f2bb8cd64446c51618d016 (diff)
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NPTL: Refactor named semaphore code to use shm-directory.h
Diffstat (limited to 'nptl/sem_unlink.c')
-rw-r--r--nptl/sem_unlink.c36
1 files changed, 4 insertions, 32 deletions
diff --git a/nptl/sem_unlink.c b/nptl/sem_unlink.c
index 485a3b8..04abd31 100644
--- a/nptl/sem_unlink.c
+++ b/nptl/sem_unlink.c
@@ -22,44 +22,16 @@
#include <string.h>
#include <unistd.h>
#include "semaphoreP.h"
-
+#include <shm-directory.h>
int
-sem_unlink (name)
- const char *name;
+sem_unlink (const char *name)
{
- char *fname;
- size_t namelen;
-
- /* Determine where the shmfs is mounted. */
- __pthread_once (&__namedsem_once, __where_is_shmfs);
-
- /* If we don't know the mount points there is nothing we can do. Ever. */
- if (mountpoint.dir == NULL)
- {
- __set_errno (ENOSYS);
- return -1;
- }
-
/* Construct the filename. */
- while (name[0] == '/')
- ++name;
-
- if (name[0] == '\0')
- {
- /* The name "/" is not supported. */
- __set_errno (ENOENT);
- return -1;
- }
- namelen = strlen (name);
-
- /* Create the name of the file. */
- fname = (char *) alloca (mountpoint.dirlen + namelen + 1);
- __mempcpy (__mempcpy (fname, mountpoint.dir, mountpoint.dirlen),
- name, namelen + 1);
+ SHM_GET_NAME (ENOENT, -1, SEM_SHM_PREFIX);
/* Now try removing it. */
- int ret = unlink (fname);
+ int ret = unlink (shm_name);
if (ret < 0 && errno == EPERM)
__set_errno (EACCES);
return ret;