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authorAustin Foxley <austinf@cetoncorp.com>2010-02-16 12:27:18 -0800
committerAustin Foxley <austinf@cetoncorp.com>2010-02-16 12:27:18 -0800
commita032a6587011cbdac8c2f7e11f15dc4e592bbb55 (patch)
treeb8d8dfc6abf0168e098223c2134a3e4bd7640942 /libpthread/nptl/sem_open.c
parent70f1d42b13a741f603472f405299e5d2938aa728 (diff)
mass sync with glibc nptl
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libpthread/nptl/sem_open.c')
-rw-r--r--libpthread/nptl/sem_open.c47
1 files changed, 26 insertions, 21 deletions
diff --git a/libpthread/nptl/sem_open.c b/libpthread/nptl/sem_open.c
index 25389f0cd..8ded82cf1 100644
--- a/libpthread/nptl/sem_open.c
+++ b/libpthread/nptl/sem_open.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2006, 2007, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -38,14 +38,15 @@
/* Compatibility defines. */
-#define __endmntent endmntent
-#define __fxstat64(vers, fd, buf) fstat64(fd, buf)
-#define __getmntent_r getmntent_r
-#define __setmntent setmntent
-#define __statfs statfs
-#define __libc_close close
-#define __libc_open open
-#define __libc_write write
+#define __endmntent endmntent
+#define __fxstat64(vers, fd, buf) fstat64(fd, buf)
+#define __getmntent_r getmntent_r
+#define __setmntent setmntent
+#define __statfs statfs
+#define __libc_close close
+#define __libc_open open
+#define __libc_write write
+
/* Information about the mount point. */
struct mountpoint_info mountpoint attribute_hidden;
@@ -157,7 +158,7 @@ __sem_search (const void *a, const void *b)
void *__sem_mappings attribute_hidden;
/* Lock to protect the search tree. */
-lll_lock_t __sem_mappings_lock = LLL_LOCK_INITIALIZER;
+int __sem_mappings_lock attribute_hidden = LLL_LOCK_INITIALIZER;
/* Search for existing mapping and if possible add the one provided. */
@@ -176,7 +177,7 @@ check_add_mapping (const char *name, size_t namelen, int fd, sem_t *existing)
#endif
{
/* Get the lock. */
- lll_lock (__sem_mappings_lock);
+ lll_lock (__sem_mappings_lock, LLL_PRIVATE);
/* Search for an existing mapping given the information we have. */
struct inuse_sem *fake;
@@ -225,7 +226,7 @@ check_add_mapping (const char *name, size_t namelen, int fd, sem_t *existing)
}
/* Release the lock. */
- lll_unlock (__sem_mappings_lock);
+ lll_unlock (__sem_mappings_lock, LLL_PRIVATE);
}
if (result != existing && existing != SEM_FAILED && existing != MAP_FAILED)
@@ -317,24 +318,28 @@ sem_open (const char *name, int oflag, ...)
}
/* Create the initial file content. */
- sem_t initsem;
+ union
+ {
+ sem_t initsem;
+ struct new_sem newsem;
+ } sem;
- struct sem *iinitsem = (struct sem *) &initsem;
- iinitsem->count = value;
+ sem.newsem.value = value;
+ sem.newsem.private = 0;
+ sem.newsem.nwaiters = 0;
/* Initialize the remaining bytes as well. */
- memset ((char *) &initsem + sizeof (struct sem), '\0',
- sizeof (sem_t) - sizeof (struct sem));
+ memset ((char *) &sem.initsem + sizeof (struct new_sem), '\0',
+ sizeof (sem_t) - sizeof (struct new_sem));
tmpfname = (char *) alloca (mountpoint.dirlen + 6 + 1);
- char *xxxxxx = mempcpy (tmpfname, mountpoint.dir, mountpoint.dirlen);
- strcpy (xxxxxx, "XXXXXX");
+ mempcpy (tmpfname, mountpoint.dir, mountpoint.dirlen);
fd = __gen_tempname (tmpfname, __GT_FILE, mode);
if (fd == -1)
- return SEM_FAILED;
+ return SEM_FAILED;
- if (TEMP_FAILURE_RETRY (__libc_write (fd, &initsem, sizeof (sem_t)))
+ if (TEMP_FAILURE_RETRY (__libc_write (fd, &sem.initsem, sizeof (sem_t)))
== sizeof (sem_t)
/* Map the sem_t structure from the file. */
&& (result = (sem_t *) mmap (NULL, sizeof (sem_t),