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@@ -20,6 +20,10 @@
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#include <errno.h>
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#include <fcntl.h>
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+#if ((!defined PHYSFS_NO_THREAD_SUPPORT) && (!defined PHYSFS_PLATFORM_BEOS))
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+#include <pthread.h>
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+#endif
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+
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#ifdef PHYSFS_HAVE_LLSEEK
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#include <linux/unistd.h>
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#endif
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@@ -433,6 +437,95 @@ int __PHYSFS_platformStat(const char *filename, int *exists, PHYSFS_Stat *st)
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return 1;
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} /* __PHYSFS_platformStat */
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+
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+#ifndef PHYSFS_PLATFORM_BEOS /* BeOS has its own code in platform_beos.cpp */
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+#if (defined PHYSFS_NO_THREAD_SUPPORT)
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+
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+void *__PHYSFS_platformGetThreadID(void) { return ((void *) 0x0001); }
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+void *__PHYSFS_platformCreateMutex(void) { return ((void *) 0x0001); }
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+void __PHYSFS_platformDestroyMutex(void *mutex) {}
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+int __PHYSFS_platformGrabMutex(void *mutex) { return 1; }
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+void __PHYSFS_platformReleaseMutex(void *mutex) {}
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+
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+#else
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+
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+typedef struct
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+{
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+ pthread_mutex_t mutex;
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+ pthread_t owner;
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+ PHYSFS_uint32 count;
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+} PthreadMutex;
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+
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+
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+void *__PHYSFS_platformGetThreadID(void)
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+{
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+ return ( (void *) ((size_t) pthread_self()) );
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+} /* __PHYSFS_platformGetThreadID */
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+
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+
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+void *__PHYSFS_platformCreateMutex(void)
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+{
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+ int rc;
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+ PthreadMutex *m = (PthreadMutex *) allocator.Malloc(sizeof (PthreadMutex));
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+ BAIL_IF_MACRO(m == NULL, ERR_OUT_OF_MEMORY, NULL);
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+ rc = pthread_mutex_init(&m->mutex, NULL);
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+ if (rc != 0)
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+ {
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+ allocator.Free(m);
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+ BAIL_MACRO(strerror(rc), NULL);
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+ } /* if */
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+
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+ m->count = 0;
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+ m->owner = (pthread_t) 0xDEADBEEF;
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+ return ((void *) m);
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+} /* __PHYSFS_platformCreateMutex */
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+
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+
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+void __PHYSFS_platformDestroyMutex(void *mutex)
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+{
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+ PthreadMutex *m = (PthreadMutex *) mutex;
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+
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+ /* Destroying a locked mutex is a bug, but we'll try to be helpful. */
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+ if ((m->owner == pthread_self()) && (m->count > 0))
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+ pthread_mutex_unlock(&m->mutex);
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+
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+ pthread_mutex_destroy(&m->mutex);
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+ allocator.Free(m);
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+} /* __PHYSFS_platformDestroyMutex */
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+
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+
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+int __PHYSFS_platformGrabMutex(void *mutex)
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+{
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+ PthreadMutex *m = (PthreadMutex *) mutex;
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+ pthread_t tid = pthread_self();
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+ if (m->owner != tid)
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+ {
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+ if (pthread_mutex_lock(&m->mutex) != 0)
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+ return 0;
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+ m->owner = tid;
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+ } /* if */
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+
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+ m->count++;
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+ return 1;
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+} /* __PHYSFS_platformGrabMutex */
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+
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+
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+void __PHYSFS_platformReleaseMutex(void *mutex)
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+{
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+ PthreadMutex *m = (PthreadMutex *) mutex;
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+ if (m->owner == pthread_self())
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+ {
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+ if (--m->count == 0)
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+ {
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+ m->owner = (pthread_t) 0xDEADBEEF;
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+ pthread_mutex_unlock(&m->mutex);
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+ } /* if */
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+ } /* if */
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+} /* __PHYSFS_platformReleaseMutex */
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+
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+#endif /* !PHYSFS_NO_THREAD_SUPPORT */
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+#endif /* !PHYSFS_PLATFORM_BEOS */
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+
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#endif /* PHYSFS_PLATFORM_POSIX */
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/* end of posix.c ... */
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