1*aca3beaaSApple OSS Distributions #include <unistd.h> 2*aca3beaaSApple OSS Distributions #include <spawn.h> 3*aca3beaaSApple OSS Distributions #include <sys/wait.h> 4*aca3beaaSApple OSS Distributions 5*aca3beaaSApple OSS Distributions #define SUBSYSTEM_ROOT_PATH_KEY "subsystem_root_path" 6*aca3beaaSApple OSS Distributions 7*aca3beaaSApple OSS Distributions #define HELPER_BEHAVIOR_NOT_SET "not_set" 8*aca3beaaSApple OSS Distributions #define HELPER_BEHAVIOR_SET "set" 9*aca3beaaSApple OSS Distributions #define HELPER_BEHAVIOR_FORK_EXEC "fork_exec" 10*aca3beaaSApple OSS Distributions #define HELPER_BEHAVIOR_SPAWN "spawn" 11*aca3beaaSApple OSS Distributions 12*aca3beaaSApple OSS Distributions static int _spawn_and_wait(char ** args,posix_spawnattr_t * attr)13*aca3beaaSApple OSS Distributions_spawn_and_wait(char ** args, posix_spawnattr_t *attr) 14*aca3beaaSApple OSS Distributions { 15*aca3beaaSApple OSS Distributions int pid; 16*aca3beaaSApple OSS Distributions int status; 17*aca3beaaSApple OSS Distributions 18*aca3beaaSApple OSS Distributions if (posix_spawn(&pid, args[0], NULL, attr, args, NULL)) { 19*aca3beaaSApple OSS Distributions return -1; 20*aca3beaaSApple OSS Distributions } 21*aca3beaaSApple OSS Distributions if (waitpid(pid, &status, 0) < 0) { 22*aca3beaaSApple OSS Distributions return -1; 23*aca3beaaSApple OSS Distributions } 24*aca3beaaSApple OSS Distributions 25*aca3beaaSApple OSS Distributions if (WIFEXITED(status) && (WEXITSTATUS(status) == 0)) { 26*aca3beaaSApple OSS Distributions return 0; 27*aca3beaaSApple OSS Distributions } 28*aca3beaaSApple OSS Distributions 29*aca3beaaSApple OSS Distributions return -1; 30*aca3beaaSApple OSS Distributions } 31