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authorbje <bje>1998-10-04 18:32:15 +0000
committerbje <bje>1998-10-04 18:32:15 +0000
commit97cb4b33462735b93ac9522df6bf4d43d0b7fe71 (patch)
treed18e07cbcf8b60ff872e4e73b3629712ea4b8ebc /tests
parente7a772589fde372895d33a2c480302775f2d62c3 (diff)
1998-10-05 Ben Elliston <bje@cygnus.com>
* global.c (PTHREAD_MUTEX_INITIALIZER): Move to pthread.h. * pthread.h (PTHREAD_MUTEX_INITIALIZER): Define. (pthread_mutex_t): Reimplement as a struct containing a valid flag. If the flag is ever down upon entry to a mutex operation, we call pthread_mutex_create() to initialise the object. This fixes the problem of how to handle statically initialised objects that can't call InitializeCriticalSection() due to their context. * mutex.c (pthread_mutex_init): Set valid flag. (pthread_mutex_destroy): Clear valid flag. (pthread_mutex_lock): Check and handle the valid flag. (pthread_mutex_unlock): Likewise. (pthread_mutex_trylock): Likewise. * tests/mutex3.c: New file; test for the static initialisation macro. Passes.
Diffstat (limited to 'tests')
-rw-r--r--tests/mutex3.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/mutex3.c b/tests/mutex3.c
new file mode 100644
index 0000000..2bb6106
--- /dev/null
+++ b/tests/mutex3.c
@@ -0,0 +1,12 @@
+#include <pthread.h>
+
+pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+
+int
+main()
+{
+ pthread_mutex_lock(&mutex);
+ /* do stuff */
+ pthread_mutex_unlock(&mutex);
+ return 0;
+}