69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* PR rtl-optimization/16199 */
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/* Origin: Olaf Klein <oklein@smallo.ruhr.de> */
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typedef enum {
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APR_LOCK_FCNTL,
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APR_LOCK_FLOCK,
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APR_LOCK_SYSVSEM,
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APR_LOCK_PROC_PTHREAD,
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APR_LOCK_POSIXSEM,
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APR_LOCK_DEFAULT
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} apr_lockmech_e;
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struct apr_proc_mutex_unix_lock_methods_t {
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unsigned int flags;
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const char *name;
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};
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typedef struct apr_proc_mutex_unix_lock_methods_t apr_proc_mutex_unix_lock_methods_t;
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extern const apr_proc_mutex_unix_lock_methods_t apr_proc_mutex_unix_sysv_methods;
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struct apr_proc_mutex_t {
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const apr_proc_mutex_unix_lock_methods_t *inter_meth;
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int curr_locked;
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char *fname;
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};
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typedef struct apr_proc_mutex_t apr_proc_mutex_t;
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extern const apr_proc_mutex_unix_lock_methods_t apr_proc_mutex_unix_proc_pthread_methods;
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extern const apr_proc_mutex_unix_lock_methods_t apr_proc_mutex_unix_fcntl_methods;
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static int proc_mutex_choose_method(apr_proc_mutex_t *new_mutex, apr_lockmech_e mech)
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{
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switch (mech) {
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case APR_LOCK_FCNTL:
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new_mutex->inter_meth = &apr_proc_mutex_unix_fcntl_methods;
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break;
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case APR_LOCK_FLOCK:
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return ((20000 + 50000) + 23);
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break;
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case APR_LOCK_SYSVSEM:
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new_mutex->inter_meth = &apr_proc_mutex_unix_sysv_methods;
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break;
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case APR_LOCK_POSIXSEM:
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return ((20000 + 50000) + 23);
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break;
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case APR_LOCK_PROC_PTHREAD:
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new_mutex->inter_meth = &apr_proc_mutex_unix_proc_pthread_methods;
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break;
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case APR_LOCK_DEFAULT:
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new_mutex->inter_meth = &apr_proc_mutex_unix_proc_pthread_methods;
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break;
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default:
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return ((20000 + 50000) + 23);
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}
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return 0;
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}
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const char* apr_proc_mutex_defname(void)
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{
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apr_proc_mutex_t mutex;
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if (proc_mutex_choose_method(&mutex, APR_LOCK_DEFAULT) != 0) {
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return "unknown";
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}
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}
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