| 47 | #define APLOG_MODULE_INDEX AP_CORE_MODULE_INDEX |
| 48 | |
| 49 | AP_DECLARE(apr_status_t) ap_parse_mutex(const char *arg, apr_pool_t *pool, |
| 50 | apr_lockmech_e *mutexmech, |
| 51 | const char **mutexfile) |
| 52 | { |
| 53 | /* Split arg into meth and file */ |
| 54 | char *meth = apr_pstrdup(pool, arg); |
| 55 | char *file = strchr(meth, ':'); |
| 56 | if (file) { |
| 57 | *(file++) = '\0'; |
| 58 | if (!*file) { |
| 59 | file = NULL; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | /* APR determines temporary filename unless overridden below, |
| 64 | * we presume file indicates an mutexfile is a file path |
| 65 | * unless the method sets mutexfile=file and NULLs file |
| 66 | */ |
| 67 | *mutexfile = NULL; |
| 68 | |
| 69 | if (!strcasecmp(meth, "none") || !strcasecmp(meth, "no")) { |
| 70 | return APR_ENOLOCK; |
| 71 | } |
| 72 | |
| 73 | /* NOTE: previously, 'yes' implied 'sem' */ |
| 74 | if (!strcasecmp(meth, "default") || !strcasecmp(meth, "yes")) { |
| 75 | *mutexmech = APR_LOCK_DEFAULT; |
| 76 | } |
| 77 | #if APR_HAS_FCNTL_SERIALIZE |
| 78 | else if (!strcasecmp(meth, "fcntl") || !strcasecmp(meth, "file")) { |
| 79 | *mutexmech = APR_LOCK_FCNTL; |
| 80 | } |
| 81 | #endif |
| 82 | #if APR_HAS_FLOCK_SERIALIZE |
| 83 | else if (!strcasecmp(meth, "flock") || !strcasecmp(meth, "file")) { |
| 84 | *mutexmech = APR_LOCK_FLOCK; |
| 85 | } |
| 86 | #endif |
| 87 | #if APR_HAS_POSIXSEM_SERIALIZE |
| 88 | else if (!strcasecmp(meth, "posixsem") || !strcasecmp(meth, "sem")) { |
| 89 | *mutexmech = APR_LOCK_POSIXSEM; |
| 90 | /* Posix/SysV semaphores aren't file based, use the literal name |
| 91 | * if provided and fall back on APR's default if not. Today, APR |
| 92 | * will ignore it, but once supported it has an absurdly short limit. |
| 93 | */ |
| 94 | if (file) { |
| 95 | *mutexfile = apr_pstrdup(pool, file); |
| 96 | |
| 97 | file = NULL; |
| 98 | } |
| 99 | } |
| 100 | #endif |
| 101 | #if APR_HAS_SYSVSEM_SERIALIZE |
| 102 | else if (!strcasecmp(meth, "sysvsem") || !strcasecmp(meth, "sem")) { |
| 103 | *mutexmech = APR_LOCK_SYSVSEM; |
| 104 | } |
| 105 | #endif |
| 106 | #if APR_HAS_PROC_PTHREAD_SERIALIZE |
no test coverage detected