Message ID | 1354021324-31561-10-git-send-email-lcapitulino@redhat.com |
---|---|
State | New |
Headers | show |
On Tue, Nov 27, 2012 at 11:02:03AM -0200, Luiz Capitulino wrote: > Most errors are QERR_UNDEFINED_ERROR today. > > Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> > --- > qga/commands-posix.c | 46 +++++++++++++++++++++++++++------------------- > 1 file changed, 27 insertions(+), 19 deletions(-) > > diff --git a/qga/commands-posix.c b/qga/commands-posix.c > index c399f02..5a7e308 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, > -- > 1.8.0 >
diff --git a/qga/commands-posix.c b/qga/commands-posix.c index c399f02..5a7e308 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,
Most errors are QERR_UNDEFINED_ERROR today. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> --- qga/commands-posix.c | 46 +++++++++++++++++++++++++++------------------- 1 file changed, 27 insertions(+), 19 deletions(-)