1*a325d9c4SApple OSS Distributions #include <unistd.h> 2*a325d9c4SApple OSS Distributions #include <spawn.h> 3*a325d9c4SApple OSS Distributions #include <sys/wait.h> 4*a325d9c4SApple OSS Distributions 5*a325d9c4SApple OSS Distributions #define SUBSYSTEM_ROOT_PATH_KEY "subsystem_root_path" 6*a325d9c4SApple OSS Distributions 7*a325d9c4SApple OSS Distributions #define HELPER_BEHAVIOR_NOT_SET "not_set" 8*a325d9c4SApple OSS Distributions #define HELPER_BEHAVIOR_SET "set" 9*a325d9c4SApple OSS Distributions #define HELPER_BEHAVIOR_FORK_EXEC "fork_exec" 10*a325d9c4SApple OSS Distributions #define HELPER_BEHAVIOR_SPAWN "spawn" 11*a325d9c4SApple OSS Distributions 12*a325d9c4SApple OSS Distributions static int _spawn_and_wait(char ** args,posix_spawnattr_t * attr)13*a325d9c4SApple OSS Distributions_spawn_and_wait(char ** args, posix_spawnattr_t *attr) 14*a325d9c4SApple OSS Distributions { 15*a325d9c4SApple OSS Distributions int pid; 16*a325d9c4SApple OSS Distributions int status; 17*a325d9c4SApple OSS Distributions 18*a325d9c4SApple OSS Distributions if (posix_spawn(&pid, args[0], NULL, attr, args, NULL)) { 19*a325d9c4SApple OSS Distributions return -1; 20*a325d9c4SApple OSS Distributions } 21*a325d9c4SApple OSS Distributions if (waitpid(pid, &status, 0) < 0) { 22*a325d9c4SApple OSS Distributions return -1; 23*a325d9c4SApple OSS Distributions } 24*a325d9c4SApple OSS Distributions 25*a325d9c4SApple OSS Distributions if (WIFEXITED(status) && (WEXITSTATUS(status) == 0)) { 26*a325d9c4SApple OSS Distributions return 0; 27*a325d9c4SApple OSS Distributions } 28*a325d9c4SApple OSS Distributions 29*a325d9c4SApple OSS Distributions return -1; 30*a325d9c4SApple OSS Distributions } 31