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comparison src/thread/linux/SDL_syssem.c @ 1336:3692456e7b0f

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Use SDL_ prefixed versions of C library functions. FIXME: Change #include <stdlib.h> to #include "SDL_stdlib.h" Change #include <string.h> to #include "SDL_string.h" Make sure nothing else broke because of this...
author Sam Lantinga <slouken@libsdl.org>
date Tue, 07 Feb 2006 06:59:48 +0000
parents c9b51268668f
children 604d73db6802
comparison
equal deleted inserted replaced
1335:c39265384763 1336:3692456e7b0f
66 }; 66 };
67 67
68 /* Create a semaphore, initialized with value */ 68 /* Create a semaphore, initialized with value */
69 SDL_sem *SDL_CreateSemaphore(Uint32 initial_value) 69 SDL_sem *SDL_CreateSemaphore(Uint32 initial_value)
70 { 70 {
71 SDL_sem *sem = (SDL_sem *) malloc(sizeof(SDL_sem)); 71 SDL_sem *sem = (SDL_sem *) SDL_malloc(sizeof(SDL_sem));
72 if ( sem ) { 72 if ( sem ) {
73 #ifdef USE_NAMED_SEMAPHORES 73 #ifdef USE_NAMED_SEMAPHORES
74 static int semnum = 0; 74 static int semnum = 0;
75 char name[32]; 75 char name[32];
76 76
77 sprintf(name, "/SDL_sem-%d-%4.4d", getpid(), semnum++); 77 sprintf(name, "/SDL_sem-%d-%4.4d", getpid(), semnum++);
78 sem->sem = sem_open(name, O_CREAT, 0600, initial_value); 78 sem->sem = sem_open(name, O_CREAT, 0600, initial_value);
79 if ( sem->sem == (sem_t *)SEM_FAILED ) { 79 if ( sem->sem == (sem_t *)SEM_FAILED ) {
80 SDL_SetError("sem_open(%s) failed", name); 80 SDL_SetError("sem_open(%s) failed", name);
81 free(sem); 81 SDL_free(sem);
82 sem = NULL; 82 sem = NULL;
83 } else { 83 } else {
84 sem_unlink(name); 84 sem_unlink(name);
85 } 85 }
86 #else 86 #else
87 if ( sem_init(&sem->sem_data, 0, initial_value) < 0 ) { 87 if ( sem_init(&sem->sem_data, 0, initial_value) < 0 ) {
88 SDL_SetError("sem_init() failed"); 88 SDL_SetError("sem_init() failed");
89 free(sem); 89 SDL_free(sem);
90 sem = NULL; 90 sem = NULL;
91 } else { 91 } else {
92 sem->sem = &sem->sem_data; 92 sem->sem = &sem->sem_data;
93 } 93 }
94 #endif /* USE_NAMED_SEMAPHORES */ 94 #endif /* USE_NAMED_SEMAPHORES */
104 #ifdef USE_NAMED_SEMAPHORES 104 #ifdef USE_NAMED_SEMAPHORES
105 sem_close(sem->sem); 105 sem_close(sem->sem);
106 #else 106 #else
107 sem_destroy(sem->sem); 107 sem_destroy(sem->sem);
108 #endif 108 #endif
109 free(sem); 109 SDL_free(sem);
110 } 110 }
111 } 111 }
112 112
113 int SDL_SemTryWait(SDL_sem *sem) 113 int SDL_SemTryWait(SDL_sem *sem)
114 { 114 {
243 extern int _creating_thread_lock; /* SDL_threads.c */ 243 extern int _creating_thread_lock; /* SDL_threads.c */
244 SDL_sem *sem; 244 SDL_sem *sem;
245 union semun init; 245 union semun init;
246 key_t key; 246 key_t key;
247 247
248 sem = (SDL_sem *)malloc(sizeof(*sem)); 248 sem = (SDL_sem *)SDL_malloc(sizeof(*sem));
249 if ( sem == NULL ) { 249 if ( sem == NULL ) {
250 SDL_OutOfMemory(); 250 SDL_OutOfMemory();
251 return(NULL); 251 return(NULL);
252 } 252 }
253 /* This flag is true if we are creating the thread manager sem, 253 /* This flag is true if we are creating the thread manager sem,
267 } while ((sem->id < 0) && (key != IPC_PRIVATE) && (errno == EACCES)); 267 } while ((sem->id < 0) && (key != IPC_PRIVATE) && (errno == EACCES));
268 268
269 /* Report the error if we eventually failed */ 269 /* Report the error if we eventually failed */
270 if ( sem->id < 0 ) { 270 if ( sem->id < 0 ) {
271 SDL_SetError("Couldn't create semaphore"); 271 SDL_SetError("Couldn't create semaphore");
272 free(sem); 272 SDL_free(sem);
273 return(NULL); 273 return(NULL);
274 } 274 }
275 init.val = initial_value; /* Initialize semaphore */ 275 init.val = initial_value; /* Initialize semaphore */
276 semctl(sem->id, 0, SETVAL, init); 276 semctl(sem->id, 0, SETVAL, init);
277 return(sem); 277 return(sem);
285 #else 285 #else
286 union semun dummy; 286 union semun dummy;
287 dummy.val = 0; 287 dummy.val = 0;
288 semctl(sem->id, 0, IPC_RMID, dummy); 288 semctl(sem->id, 0, IPC_RMID, dummy);
289 #endif 289 #endif
290 free(sem); 290 SDL_free(sem);
291 } 291 }
292 } 292 }
293 293
294 int SDL_SemTryWait(SDL_sem *sem) 294 int SDL_SemTryWait(SDL_sem *sem)
295 { 295 {