@ -18,7 +18,7 @@
02111 - 1307 USA . */
# include <errno.h>
# include <error .h>
# include <stdio .h>
# include <stdlib.h>
# include <unistd.h>
# include <sys/wait.h>
@ -56,16 +56,15 @@ sigchld (int signo, siginfo_t *info, void *ctx)
{
if ( signo ! = SIGCHLD )
{
error ( 0 , 0 , " SIGCHLD handler got signal %d instead! " , signo ) ;
printf ( " SIGCHLD handler got signal %d instead! \n " , signo ) ;
_exit ( EXIT_FAILURE ) ;
}
if ( ! expecting_sigchld )
{
spurious_sigchld = 1 ;
error ( 0 , 0 ,
" spurious SIGCHLD: signo %d code %d status %d pid %d \n " ,
info - > si_signo , info - > si_code , info - > si_status , info - > si_pid ) ;
printf ( " spurious SIGCHLD: signo %d code %d status %d pid %d \n " ,
info - > si_signo , info - > si_code , info - > si_status , info - > si_pid ) ;
}
else
{
@ -79,7 +78,7 @@ check_sigchld (const char *phase, int *ok, int code, int status, pid_t pid)
{
if ( expecting_sigchld )
{
error ( 0 , 0 , " missing SIGCHLD on %s " , phase ) ;
printf ( " missing SIGCHLD on %s \n " , phase ) ;
* ok = EXIT_FAILURE ;
expecting_sigchld = 0 ;
return ;
@ -87,22 +86,22 @@ check_sigchld (const char *phase, int *ok, int code, int status, pid_t pid)
if ( sigchld_info . si_signo ! = SIGCHLD )
{
error ( 0 , 0 , " SIGCHLD for %s signal %d " , phase , sigchld_info . si_signo ) ;
printf ( " SIGCHLD for %s signal %d \n " , phase , sigchld_info . si_signo ) ;
* ok = EXIT_FAILURE ;
}
if ( sigchld_info . si_code ! = code )
{
error ( 0 , 0 , " SIGCHLD for %s code %d " , phase , sigchld_info . si_code ) ;
printf ( " SIGCHLD for %s code %d \n " , phase , sigchld_info . si_code ) ;
* ok = EXIT_FAILURE ;
}
if ( sigchld_info . si_status ! = status )
{
error ( 0 , 0 , " SIGCHLD for %s status %d " , phase , sigchld_info . si_status ) ;
printf ( " SIGCHLD for %s status %d \n " , phase , sigchld_info . si_status ) ;
* ok = EXIT_FAILURE ;
}
if ( sigchld_info . si_pid ! = pid )
{
error ( 0 , 0 , " SIGCHLD for %s pid %d " , phase , sigchld_info . si_pid ) ;
printf ( " SIGCHLD for %s pid %d \n " , phase , sigchld_info . si_pid ) ;
* ok = EXIT_FAILURE ;
}
}
@ -121,7 +120,7 @@ do_test (int argc, char *argv[])
sa . sa_sigaction = & sigchld ;
if ( sigemptyset ( & sa . sa_mask ) < 0 | | sigaction ( SIGCHLD , & sa , NULL ) < 0 )
{
error ( 0 , errno , " setting SIGCHLD handler " ) ;
printf ( " setting SIGCHLD handler: %m \n " ) ;
return EXIT_FAILURE ;
}
# endif
@ -131,7 +130,7 @@ do_test (int argc, char *argv[])
pid_t pid = fork ( ) ;
if ( pid < 0 )
{
error ( 0 , errno , " fork " ) ;
printf ( " fork: %m \n " ) ;
return EXIT_FAILURE ;
}
else if ( pid = = 0 )
@ -156,18 +155,18 @@ do_test (int argc, char *argv[])
switch ( fail )
{
default :
error ( 0 , 0 , " waitid returned bogus value %d \n " , fail ) ;
printf ( " waitid returned bogus value %d \n " , fail ) ;
RETURN ( EXIT_FAILURE ) ;
case - 1 :
error ( 0 , errno , " waitid WNOHANG on stopped " ) ;
printf ( " waitid WNOHANG on stopped: %m \n " ) ;
RETURN ( errno = = ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE ) ;
case 0 :
if ( info . si_signo = = 0 )
break ;
if ( info . si_signo = = SIGCHLD )
error ( 0 , 0 , " waitid WNOHANG on stopped status %d \n " , info . si_status ) ;
printf ( " waitid WNOHANG on stopped status %d \n " , info . si_status ) ;
else
error ( 0 , 0 , " waitid WNOHANG on stopped signal %d \n " , info . si_signo ) ;
printf ( " waitid WNOHANG on stopped signal %d \n " , info . si_signo ) ;
RETURN ( EXIT_FAILURE ) ;
}
@ -179,34 +178,34 @@ do_test (int argc, char *argv[])
switch ( fail )
{
default :
error ( 0 , 0 , " waitid WSTOPPED|WNOHANG returned bogus value %d \n " , fail ) ;
printf ( " waitid WSTOPPED|WNOHANG returned bogus value %d \n " , fail ) ;
RETURN ( EXIT_FAILURE ) ;
case - 1 :
error ( 0 , errno , " waitid WSTOPPED|WNOHANG on stopped " ) ;
printf ( " waitid WSTOPPED|WNOHANG on stopped: %m \n " ) ;
RETURN ( errno = = ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE ) ;
case 0 :
if ( info . si_signo ! = SIGCHLD )
{
error ( 0 , 0 , " waitid WSTOPPED|WNOHANG on stopped signal %d \n " ,
info . si_signo ) ;
printf ( " waitid WSTOPPED|WNOHANG on stopped signal %d \n " ,
info . si_signo ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_code ! = CLD_STOPPED )
{
error ( 0 , 0 , " waitid WSTOPPED|WNOHANG on stopped code %d \n " ,
info . si_code ) ;
printf ( " waitid WSTOPPED|WNOHANG on stopped code %d \n " ,
info . si_code ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_status ! = SIGSTOP )
{
error ( 0 , 0 , " waitid WSTOPPED|WNOHANG on stopped status %d \n " ,
info . si_status ) ;
printf ( " waitid WSTOPPED|WNOHANG on stopped status %d \n " ,
info . si_status ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_pid ! = pid )
{
error ( 0 , 0 , " waitid WSTOPPED|WNOHANG on stopped pid %d != %d \n " ,
info . si_pid , pid ) ;
printf ( " waitid WSTOPPED|WNOHANG on stopped pid %d != %d \n " ,
info . si_pid , pid ) ;
RETURN ( EXIT_FAILURE ) ;
}
}
@ -215,7 +214,7 @@ do_test (int argc, char *argv[])
if ( kill ( pid , SIGCONT ) ! = 0 )
{
error ( 0 , errno , " kill (%d, SIGCONT) " , pid ) ;
printf ( " kill (%d, SIGCONT): %m \n " , pid ) ;
RETURN ( EXIT_FAILURE ) ;
}
@ -225,7 +224,7 @@ do_test (int argc, char *argv[])
# if WCONTINUED != 0
if ( expecting_sigchld )
{
error ( 0 , 0 , " no SIGCHLD seen for SIGCONT (optional) " ) ;
printf ( " no SIGCHLD seen for SIGCONT (optional) \n " ) ;
expecting_sigchld = 0 ;
}
else
@ -238,35 +237,34 @@ do_test (int argc, char *argv[])
switch ( fail )
{
default :
error ( 0 , 0 ,
" waitid WCONTINUED|WNOWAIT returned bogus value %d \n " , fail ) ;
printf ( " waitid WCONTINUED|WNOWAIT returned bogus value %d \n " , fail ) ;
RETURN ( EXIT_FAILURE ) ;
case - 1 :
error ( 0 , errno , " waitid WCONTINUED|WNOWAIT on continued " ) ;
printf ( " waitid WCONTINUED|WNOWAIT on continued: %m \n " ) ;
RETURN ( errno = = ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE ) ;
case 0 :
if ( info . si_signo ! = SIGCHLD )
{
error ( 0 , 0 , " waitid WCONTINUED|WNOWAIT on continued signal %d \n " ,
info . si_signo ) ;
printf ( " waitid WCONTINUED|WNOWAIT on continued signal %d \n " ,
info . si_signo ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_code ! = CLD_CONTINUED )
{
error ( 0 , 0 , " waitid WCONTINUED|WNOWAIT on continued code %d \n " ,
info . si_code ) ;
printf ( " waitid WCONTINUED|WNOWAIT on continued code %d \n " ,
info . si_code ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_status ! = SIGCONT )
{
error ( 0 , 0 , " waitid WCONTINUED|WNOWAIT on continued status %d \n " ,
info . si_status ) ;
printf ( " waitid WCONTINUED|WNOWAIT on continued status %d \n " ,
info . si_status ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_pid ! = pid )
{
error ( 0 , 0 , " waitid WCONTINUED|WNOWAIT on continued pid %d != %d \n " ,
info . si_pid , pid ) ;
printf ( " waitid WCONTINUED|WNOWAIT on continued pid %d != %d \n " ,
info . si_pid , pid ) ;
RETURN ( EXIT_FAILURE ) ;
}
}
@ -279,34 +277,32 @@ do_test (int argc, char *argv[])
switch ( fail )
{
default :
error ( 0 , 0 , " waitid WCONTINUED returned bogus value %d \n " , fail ) ;
printf ( " waitid WCONTINUED returned bogus value %d \n " , fail ) ;
RETURN ( EXIT_FAILURE ) ;
case - 1 :
error ( 0 , errno , " waitid WCONTINUED on continued " ) ;
printf ( " waitid WCONTINUED on continued: %m \n " ) ;
RETURN ( errno = = ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE ) ;
case 0 :
if ( info . si_signo ! = SIGCHLD )
{
error ( 0 , 0 , " waitid WCONTINUED on continued signal %d \n " ,
info . si_signo ) ;
printf ( " waitid WCONTINUED on continued signal %d \n " , info . si_signo ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_code ! = CLD_CONTINUED )
{
error ( 0 , 0 , " waitid WCONTINUED on continued code %d \n " ,
info . si_code ) ;
printf ( " waitid WCONTINUED on continued code %d \n " , info . si_code ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_status ! = SIGCONT )
{
error ( 0 , 0 , " waitid WCONTINUED on continued status %d \n " ,
info . si_status ) ;
printf ( " waitid WCONTINUED on continued status %d \n " ,
info . si_status ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_pid ! = pid )
{
error ( 0 , 0 , " waitid WCONTINUED on continued pid %d != %d \n " ,
info . si_pid , pid ) ;
printf ( " waitid WCONTINUED on continued pid %d != %d \n " ,
info . si_pid , pid ) ;
RETURN ( EXIT_FAILURE ) ;
}
}
@ -317,22 +313,20 @@ do_test (int argc, char *argv[])
switch ( fail )
{
default :
error ( 0 , 0 , " waitid returned bogus value %d \n " , fail ) ;
printf ( " waitid returned bogus value %d \n " , fail ) ;
RETURN ( EXIT_FAILURE ) ;
case - 1 :
error ( 0 , errno , " waitid WCONTINUED|WNOHANG on waited continued " ) ;
printf ( " waitid WCONTINUED|WNOHANG on waited continued: %m \n " ) ;
RETURN ( errno = = ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE ) ;
case 0 :
if ( info . si_signo = = 0 )
break ;
if ( info . si_signo = = SIGCHLD )
error ( 0 , 0 ,
" waitid WCONTINUED|WNOHANG on waited continued status %d \n " ,
info . si_status ) ;
printf ( " waitid WCONTINUED|WNOHANG on waited continued status %d \n " ,
info . si_status ) ;
else
error ( 0 , 0 ,
" waitid WCONTINUED|WNOHANG on waited continued signal %d \n " ,
info . si_signo ) ;
printf ( " waitid WCONTINUED|WNOHANG on waited continued signal %d \n " ,
info . si_signo ) ;
RETURN ( EXIT_FAILURE ) ;
}
@ -340,26 +334,25 @@ do_test (int argc, char *argv[])
expecting_sigchld = 1 ;
if ( kill ( pid , SIGSTOP ) ! = 0 )
{
error ( 0 , errno , " kill (%d, SIGSTOP) " , pid ) ;
printf ( " kill (%d, SIGSTOP): %m \n " , pid ) ;
RETURN ( EXIT_FAILURE ) ;
}
pid_t wpid = waitpid ( pid , & fail , WUNTRACED ) ;
if ( wpid < 0 )
{
error ( 0 , errno , " waitpid WUNTRACED on stopped " ) ;
printf ( " waitpid WUNTRACED on stopped: %m \n " ) ;
RETURN ( EXIT_FAILURE ) ;
}
else if ( wpid ! = pid )
{
error ( 0 , 0 ,
" waitpid WUNTRACED on stopped returned %d != %d (status %x) " ,
wpid , pid , fail ) ;
printf ( " waitpid WUNTRACED on stopped returned %d != %d (status %x) \n " ,
wpid , pid , fail ) ;
RETURN ( EXIT_FAILURE ) ;
}
else if ( ! WIFSTOPPED ( fail ) | | WIFSIGNALED ( fail ) | | WIFEXITED ( fail )
| | WIFCONTINUED ( fail ) | | WSTOPSIG ( fail ) ! = SIGSTOP )
{
error ( 0 , 0 , " waitpid WUNTRACED on stopped: status %x " , fail ) ;
printf ( " waitpid WUNTRACED on stopped: status %x \n " , fail ) ;
RETURN ( EXIT_FAILURE ) ;
}
CHECK_SIGCHLD ( " stopped " , CLD_STOPPED , SIGSTOP ) ;
@ -367,7 +360,7 @@ do_test (int argc, char *argv[])
expecting_sigchld = 1 ;
if ( kill ( pid , SIGCONT ) ! = 0 )
{
error ( 0 , errno , " kill (%d, SIGCONT) " , pid ) ;
printf ( " kill (%d, SIGCONT): %m \n " , pid ) ;
RETURN ( EXIT_FAILURE ) ;
}
@ -376,7 +369,7 @@ do_test (int argc, char *argv[])
if ( expecting_sigchld )
{
error ( 0 , 0 , " no SIGCHLD seen for SIGCONT (optional) " ) ;
printf ( " no SIGCHLD seen for SIGCONT (optional) \n " ) ;
expecting_sigchld = 0 ;
}
else
@ -386,24 +379,24 @@ do_test (int argc, char *argv[])
if ( wpid < 0 )
{
if ( errno = = EINVAL )
error ( 0 , 0 , " waitpid does not support WCONTINUED " ) ;
printf ( " waitpid does not support WCONTINUED \n " ) ;
else
{
error ( 0 , errno , " waitpid WCONTINUED on continued " ) ;
printf ( " waitpid WCONTINUED on continued: %m \n " ) ;
RETURN ( EXIT_FAILURE ) ;
}
}
else if ( wpid ! = pid )
{
error ( 0 , 0 ,
" waitpid WCONTINUED on continued returned %d != %d (status %x) " ,
printf ( " \
waitpid WCONTINUED on continued returned % d ! = % d ( status % x ) \ n " ,
wpid , pid , fail ) ;
RETURN ( EXIT_FAILURE ) ;
}
else if ( WIFSTOPPED ( fail ) | | WIFSIGNALED ( fail ) | | WIFEXITED ( fail )
| | ! WIFCONTINUED ( fail ) )
{
error ( 0 , 0 , " waitpid WCONTINUED on continued: status %x " , fail ) ;
printf ( " waitpid WCONTINUED on continued: status %x \n " , fail ) ;
RETURN ( EXIT_FAILURE ) ;
}
# endif
@ -413,7 +406,7 @@ do_test (int argc, char *argv[])
/* Die, child, die! */
if ( kill ( pid , SIGKILL ) ! = 0 )
{
error ( 0 , errno , " kill (%d, SIGKILL) " , pid ) ;
printf ( " kill (%d, SIGKILL): %m \n " , pid ) ;
RETURN ( EXIT_FAILURE ) ;
}
@ -425,34 +418,30 @@ do_test (int argc, char *argv[])
switch ( fail )
{
default :
error ( 0 , 0 , " waitid WNOWAIT returned bogus value %d \n " , fail ) ;
printf ( " waitid WNOWAIT returned bogus value %d \n " , fail ) ;
RETURN ( EXIT_FAILURE ) ;
case - 1 :
error ( 0 , errno , " waitid WNOWAIT on killed " ) ;
printf ( " waitid WNOWAIT on killed: %m \n " ) ;
RETURN ( errno = = ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE ) ;
case 0 :
if ( info . si_signo ! = SIGCHLD )
{
error ( 0 , 0 , " waitid WNOWAIT on killed signal %d \n " ,
info . si_signo ) ;
printf ( " waitid WNOWAIT on killed signal %d \n " , info . si_signo ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_code ! = CLD_KILLED )
{
error ( 0 , 0 , " waitid WNOWAIT on killed code %d \n " ,
info . si_code ) ;
printf ( " waitid WNOWAIT on killed code %d \n " , info . si_code ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_status ! = SIGKILL )
{
error ( 0 , 0 , " waitid WNOWAIT on killed status %d \n " ,
info . si_status ) ;
printf ( " waitid WNOWAIT on killed status %d \n " , info . si_status ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_pid ! = pid )
{
error ( 0 , 0 , " waitid WNOWAIT on killed pid %d != %d \n " ,
info . si_pid , pid ) ;
printf ( " waitid WNOWAIT on killed pid %d != %d \n " , info . si_pid , pid ) ;
RETURN ( EXIT_FAILURE ) ;
}
}
@ -470,34 +459,30 @@ do_test (int argc, char *argv[])
switch ( fail )
{
default :
error ( 0 , 0 , " waitid WNOHANG returned bogus value %d \n " , fail ) ;
printf ( " waitid WNOHANG returned bogus value %d \n " , fail ) ;
RETURN ( EXIT_FAILURE ) ;
case - 1 :
error ( 0 , errno , " waitid WNOHANG on killed " ) ;
printf ( " waitid WNOHANG on killed: %m \n " ) ;
RETURN ( EXIT_FAILURE ) ;
case 0 :
if ( info . si_signo ! = SIGCHLD )
{
error ( 0 , 0 , " waitid WNOHANG on killed signal %d \n " ,
info . si_signo ) ;
printf ( " waitid WNOHANG on killed signal %d \n " , info . si_signo ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_code ! = CLD_KILLED )
{
error ( 0 , 0 , " waitid WNOHANG on killed code %d \n " ,
info . si_code ) ;
printf ( " waitid WNOHANG on killed code %d \n " , info . si_code ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_status ! = SIGKILL )
{
error ( 0 , 0 , " waitid WNOHANG on killed status %d \n " ,
info . si_status ) ;
printf ( " waitid WNOHANG on killed status %d \n " , info . si_status ) ;
RETURN ( EXIT_FAILURE ) ;
}
if ( info . si_pid ! = pid )
{
error ( 0 , 0 , " waitid WNOHANG on killed pid %d != %d \n " ,
info . si_pid , pid ) ;
printf ( " waitid WNOHANG on killed pid %d != %d \n " , info . si_pid , pid ) ;
RETURN ( EXIT_FAILURE ) ;
}
}
@ -507,13 +492,13 @@ do_test (int argc, char *argv[])
{
if ( errno ! = ECHILD )
{
error ( 0 , errno , " waitid WEXITED on killed " ) ;
printf ( " waitid WEXITED on killed: %m \n " ) ;
RETURN ( EXIT_FAILURE ) ;
}
}
else
{
error ( 0 , 0 , " waitid WEXITED returned bogus value %d \n " , fail ) ;
printf ( " waitid WEXITED returned bogus value %d \n " , fail ) ;
RETURN ( EXIT_FAILURE ) ;
}
Ulrich Drepper
22 years ago