diff options
Diffstat (limited to 'qga/commands-posix.c')
| -rw-r--r-- | qga/commands-posix.c | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/qga/commands-posix.c b/qga/commands-posix.c index 9b6ef17260..f3ee492633 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -618,8 +618,9 @@ error: static void bios_supports_mode(const char *pmutils_bin, const char *pmutils_arg, const char *sysfile_str, Error **err) { + Error *local_err = NULL; char *pmutils_path; - pid_t pid, rpid; + pid_t pid; int status; pmutils_path = g_find_program_in_path(pmutils_bin); @@ -664,31 +665,38 @@ static void bios_supports_mode(const char *pmutils_bin, const char *pmutils_arg, } _exit(SUSPEND_NOT_SUPPORTED); + } else if (pid < 0) { + error_setg_errno(err, errno, "failed to create child process"); + goto out; } - g_free(pmutils_path); + ga_wait_child(pid, &status, &local_err); + if (error_is_set(&local_err)) { + error_propagate(err, local_err); + goto out; + } - if (pid < 0) { - goto undef_err; + if (!WIFEXITED(status)) { + error_setg(err, "child process has terminated abnormally"); + goto out; } - do { - rpid = waitpid(pid, &status, 0); - } while (rpid == -1 && errno == EINTR); - if (rpid == pid && WIFEXITED(status)) { - switch (WEXITSTATUS(status)) { - case SUSPEND_SUPPORTED: - return; - case SUSPEND_NOT_SUPPORTED: - error_set(err, QERR_UNSUPPORTED); - return; - default: - goto undef_err; - } + switch (WEXITSTATUS(status)) { + case SUSPEND_SUPPORTED: + goto out; + case SUSPEND_NOT_SUPPORTED: + error_setg(err, + "the requested suspend mode is not supported by the guest"); + goto out; + default: + error_setg(err, + "the helper program '%s' returned an unexpected exit status" + " code (%d)", pmutils_path, WEXITSTATUS(status)); + goto out; } -undef_err: - error_set(err, QERR_UNDEFINED_ERROR); +out: + g_free(pmutils_path); } static void guest_suspend(const char *pmutils_bin, const char *sysfile_str, |