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