1*699cd480SApple OSS Distributions #include <unistd.h> 2*699cd480SApple OSS Distributions #include <spawn.h> 3*699cd480SApple OSS Distributions #include <sys/wait.h> 4*699cd480SApple OSS Distributions 5*699cd480SApple OSS Distributions #define SUBSYSTEM_ROOT_PATH_KEY "subsystem_root_path" 6*699cd480SApple OSS Distributions 7*699cd480SApple OSS Distributions #define HELPER_BEHAVIOR_NOT_SET "not_set" 8*699cd480SApple OSS Distributions #define HELPER_BEHAVIOR_SET "set" 9*699cd480SApple OSS Distributions #define HELPER_BEHAVIOR_FORK_EXEC "fork_exec" 10*699cd480SApple OSS Distributions #define HELPER_BEHAVIOR_SPAWN "spawn" 11*699cd480SApple OSS Distributions 12*699cd480SApple OSS Distributions static int _spawn_and_wait(char ** args,posix_spawnattr_t * attr)13*699cd480SApple OSS Distributions_spawn_and_wait(char ** args, posix_spawnattr_t *attr) 14*699cd480SApple OSS Distributions { 15*699cd480SApple OSS Distributions int pid; 16*699cd480SApple OSS Distributions int status; 17*699cd480SApple OSS Distributions 18*699cd480SApple OSS Distributions if (posix_spawn(&pid, args[0], NULL, attr, args, NULL)) { 19*699cd480SApple OSS Distributions return -1; 20*699cd480SApple OSS Distributions } 21*699cd480SApple OSS Distributions if (waitpid(pid, &status, 0) < 0) { 22*699cd480SApple OSS Distributions return -1; 23*699cd480SApple OSS Distributions } 24*699cd480SApple OSS Distributions 25*699cd480SApple OSS Distributions if (WIFEXITED(status) && (WEXITSTATUS(status) == 0)) { 26*699cd480SApple OSS Distributions return 0; 27*699cd480SApple OSS Distributions } 28*699cd480SApple OSS Distributions 29*699cd480SApple OSS Distributions return -1; 30*699cd480SApple OSS Distributions } 31