1*19c3b8c2SApple OSS Distributions #include <unistd.h> 2*19c3b8c2SApple OSS Distributions #include <spawn.h> 3*19c3b8c2SApple OSS Distributions #include <sys/wait.h> 4*19c3b8c2SApple OSS Distributions 5*19c3b8c2SApple OSS Distributions #define SUBSYSTEM_ROOT_PATH_KEY "subsystem_root_path" 6*19c3b8c2SApple OSS Distributions 7*19c3b8c2SApple OSS Distributions #define HELPER_BEHAVIOR_NOT_SET "not_set" 8*19c3b8c2SApple OSS Distributions #define HELPER_BEHAVIOR_SET "set" 9*19c3b8c2SApple OSS Distributions #define HELPER_BEHAVIOR_FORK_EXEC "fork_exec" 10*19c3b8c2SApple OSS Distributions #define HELPER_BEHAVIOR_SPAWN "spawn" 11*19c3b8c2SApple OSS Distributions 12*19c3b8c2SApple OSS Distributions static int _spawn_and_wait(char ** args,posix_spawnattr_t * attr)13*19c3b8c2SApple OSS Distributions_spawn_and_wait(char ** args, posix_spawnattr_t *attr) 14*19c3b8c2SApple OSS Distributions { 15*19c3b8c2SApple OSS Distributions int pid; 16*19c3b8c2SApple OSS Distributions int status; 17*19c3b8c2SApple OSS Distributions 18*19c3b8c2SApple OSS Distributions if (posix_spawn(&pid, args[0], NULL, attr, args, NULL)) { 19*19c3b8c2SApple OSS Distributions return -1; 20*19c3b8c2SApple OSS Distributions } 21*19c3b8c2SApple OSS Distributions if (waitpid(pid, &status, 0) < 0) { 22*19c3b8c2SApple OSS Distributions return -1; 23*19c3b8c2SApple OSS Distributions } 24*19c3b8c2SApple OSS Distributions 25*19c3b8c2SApple OSS Distributions if (WIFEXITED(status) && (WEXITSTATUS(status) == 0)) { 26*19c3b8c2SApple OSS Distributions return 0; 27*19c3b8c2SApple OSS Distributions } 28*19c3b8c2SApple OSS Distributions 29*19c3b8c2SApple OSS Distributions return -1; 30*19c3b8c2SApple OSS Distributions } 31