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-rw-r--r--builtin-grep.c2
-rw-r--r--builtin-pack-objects.c4
-rw-r--r--compat/win32/pthread.h8
-rw-r--r--thread-utils.c16
-rw-r--r--thread-utils.h1
5 files changed, 27 insertions, 4 deletions
diff --git a/builtin-grep.c b/builtin-grep.c
index 371db0aa9e..52137f4ae4 100644
--- a/builtin-grep.c
+++ b/builtin-grep.c
@@ -16,8 +16,8 @@
#include "quote.h"
#ifndef NO_PTHREADS
-#include "thread-utils.h"
#include <pthread.h>
+#include "thread-utils.h"
#endif
static char const * const grep_usage[] = {
diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index 0ecc198422..26fc7cd5a6 100644
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -18,8 +18,8 @@
#include "refs.h"
#ifndef NO_PTHREADS
-#include "thread-utils.h"
#include <pthread.h>
+#include "thread-utils.h"
#endif
static const char pack_usage[] =
@@ -1586,7 +1586,7 @@ static pthread_cond_t progress_cond;
*/
static void init_threaded_search(void)
{
- pthread_mutex_init(&read_mutex, NULL);
+ init_recursive_mutex(&read_mutex);
pthread_mutex_init(&cache_mutex, NULL);
pthread_mutex_init(&progress_mutex, NULL);
pthread_cond_init(&progress_cond, NULL);
diff --git a/compat/win32/pthread.h b/compat/win32/pthread.h
index c72f100f40..a45f8d66df 100644
--- a/compat/win32/pthread.h
+++ b/compat/win32/pthread.h
@@ -18,11 +18,17 @@
*/
#define pthread_mutex_t CRITICAL_SECTION
-#define pthread_mutex_init(a,b) InitializeCriticalSection((a))
+#define pthread_mutex_init(a,b) (InitializeCriticalSection((a)), 0)
#define pthread_mutex_destroy(a) DeleteCriticalSection((a))
#define pthread_mutex_lock EnterCriticalSection
#define pthread_mutex_unlock LeaveCriticalSection
+typedef int pthread_mutexattr_t;
+#define pthread_mutexattr_init(a) (*(a) = 0)
+#define pthread_mutexattr_destroy(a) do {} while (0)
+#define pthread_mutexattr_settype(a, t) 0
+#define PTHREAD_MUTEX_RECURSIVE 0
+
/*
* Implement simple condition variable for Windows threads, based on ACE
* implementation.
diff --git a/thread-utils.c b/thread-utils.c
index 4f9c829c2d..589f838f82 100644
--- a/thread-utils.c
+++ b/thread-utils.c
@@ -1,4 +1,5 @@
#include "cache.h"
+#include <pthread.h>
#if defined(hpux) || defined(__hpux) || defined(_hpux)
# include <sys/pstat.h>
@@ -43,3 +44,18 @@ int online_cpus(void)
return 1;
}
+
+int init_recursive_mutex(pthread_mutex_t *m)
+{
+ pthread_mutexattr_t a;
+ int ret;
+
+ ret = pthread_mutexattr_init(&a);
+ if (!ret) {
+ ret = pthread_mutexattr_settype(&a, PTHREAD_MUTEX_RECURSIVE);
+ if (!ret)
+ ret = pthread_mutex_init(m, &a);
+ pthread_mutexattr_destroy(&a);
+ }
+ return ret;
+}
diff --git a/thread-utils.h b/thread-utils.h
index cce4b77bd6..1727a03333 100644
--- a/thread-utils.h
+++ b/thread-utils.h
@@ -2,5 +2,6 @@
#define THREAD_COMPAT_H
extern int online_cpus(void);
+extern int init_recursive_mutex(pthread_mutex_t*);
#endif /* THREAD_COMPAT_H */