diff options
| -rw-r--r-- | builtin/grep.c | 2 | ||||
| -rw-r--r-- | builtin/pack-objects.c | 13 | ||||
| -rw-r--r-- | compat/win32/pthread.h | 8 | ||||
| -rw-r--r-- | git-compat-util.h | 2 | ||||
| -rw-r--r-- | thread-utils.c | 16 | ||||
| -rw-r--r-- | thread-utils.h | 1 | ||||
| -rw-r--r-- | wrapper.c | 20 |
7 files changed, 54 insertions, 8 deletions
diff --git a/builtin/grep.c b/builtin/grep.c index 8e928e2..b194ea3 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -17,8 +17,8 @@ #include "dir.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 9780258..214d7ef 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[] = @@ -1522,6 +1522,13 @@ static void find_deltas(struct object_entry **list, unsigned *list_size, #ifndef NO_PTHREADS +static void try_to_free_from_threads(size_t size) +{ + read_lock(); + release_pack_memory(size, -1); + read_unlock(); +} + /* * The main thread waits on the condition that (at least) one of the workers * has stopped working (which is indicated in the .working member of @@ -1552,14 +1559,16 @@ 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); + set_try_to_free_routine(try_to_free_from_threads); } static void cleanup_threaded_search(void) { + set_try_to_free_routine(NULL); pthread_cond_destroy(&progress_cond); pthread_mutex_destroy(&read_mutex); pthread_mutex_destroy(&cache_mutex); diff --git a/compat/win32/pthread.h b/compat/win32/pthread.h index c72f100..a45f8d6 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/git-compat-util.h b/git-compat-util.h index b96912b..c4f4e15 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -356,6 +356,8 @@ static inline void *gitmempcpy(void *dest, const void *src, size_t n) extern void release_pack_memory(size_t, int); +extern void set_try_to_free_routine(void (*routine)(size_t)); + extern char *xstrdup(const char *str); extern void *xmalloc(size_t size); extern void *xmallocz(size_t size); diff --git a/thread-utils.c b/thread-utils.c index 4f9c829..589f838 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 cce4b77..1727a03 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 */ @@ -3,11 +3,23 @@ */ #include "cache.h" +static void try_to_free_builtin(size_t size) +{ + release_pack_memory(size, -1); +} + +static void (*try_to_free_routine)(size_t size) = try_to_free_builtin; + +void set_try_to_free_routine(void (*routine)(size_t)) +{ + try_to_free_routine = (routine) ? routine : try_to_free_builtin; +} + char *xstrdup(const char *str) { char *ret = strdup(str); if (!ret) { - release_pack_memory(strlen(str) + 1, -1); + try_to_free_routine(strlen(str) + 1); ret = strdup(str); if (!ret) die("Out of memory, strdup failed"); @@ -21,7 +33,7 @@ void *xmalloc(size_t size) if (!ret && !size) ret = malloc(1); if (!ret) { - release_pack_memory(size, -1); + try_to_free_routine(size); ret = malloc(size); if (!ret && !size) ret = malloc(1); @@ -67,7 +79,7 @@ void *xrealloc(void *ptr, size_t size) if (!ret && !size) ret = realloc(ptr, 1); if (!ret) { - release_pack_memory(size, -1); + try_to_free_routine(size); ret = realloc(ptr, size); if (!ret && !size) ret = realloc(ptr, 1); @@ -83,7 +95,7 @@ void *xcalloc(size_t nmemb, size_t size) if (!ret && (!nmemb || !size)) ret = calloc(1, 1); if (!ret) { - release_pack_memory(nmemb * size, -1); + try_to_free_routine(nmemb * size); ret = calloc(nmemb, size); if (!ret && (!nmemb || !size)) ret = calloc(1, 1); |