diff options
| -rw-r--r-- | nptl/tst-fork2.c | 90 | ||||
| -rw-r--r-- | nptl/tst-fork3.c | 107 |
2 files changed, 197 insertions, 0 deletions
diff --git a/nptl/tst-fork2.c b/nptl/tst-fork2.c new file mode 100644 index 0000000000..07d6c22668 --- /dev/null +++ b/nptl/tst-fork2.c @@ -0,0 +1,90 @@ +/* Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Roland McGrath <roland@redhat.com>, 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/wait.h> + + +static pid_t initial_pid; + + +static void * +tf (void *arg) +{ + if (getppid () != initial_pid) + { + printf ("getppid in thread returned %ld, expected %ld\n", + (long int) getppid (), (long int) initial_pid); + return (void *) -1; + } + + return NULL; +} + + +int +main (void) +{ + initial_pid = getpid (); + + pid_t child = fork (); + if (child == 0) + { + if (getppid () != initial_pid) + { + printf ("first getppid returned %ld, expected %ld\n", + (long int) getppid (), (long int) initial_pid); + exit (1); + } + + pthread_t th; + if (pthread_create (&th, NULL, tf, NULL) != 0) + { + puts ("pthread_create failed"); + exit (1); + } + + void *result; + if (pthread_join (th, &result) != 0) + { + puts ("pthread_join failed"); + exit (1); + } + + exit (result == NULL ? 0 : 1); + } + else if (child == -1) + { + puts ("initial fork failed"); + return 1; + } + + int status; + if (TEMP_FAILURE_RETRY (waitpid (child, &status, 0)) != child) + { + printf ("waitpid failed: %m\n"); + return 1; + } + + return status; +} diff --git a/nptl/tst-fork3.c b/nptl/tst-fork3.c new file mode 100644 index 0000000000..bc73853a54 --- /dev/null +++ b/nptl/tst-fork3.c @@ -0,0 +1,107 @@ +/* Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Roland McGrath <roland@redhat.com>, 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/wait.h> + + +static pid_t initial_pid; + + +static void * +tf2 (void *arg) +{ + if (getppid () != initial_pid) + { + printf ("getppid in thread returned %ld, expected %ld\n", + (long int) getppid (), (long int) initial_pid); + return (void *) -1; + } + + return NULL; +} + + +static void * +tf1 (void *arg) +{ + pid_t child = fork (); + if (child == 0) + { + if (getppid () != initial_pid) + { + printf ("first getppid returned %ld, expected %ld\n", + (long int) getppid (), (long int) initial_pid); + exit (1); + } + + pthread_t th2; + if (pthread_create (&th2, NULL, tf2, NULL) != 0) + { + puts ("child: pthread_create failed"); + exit (1); + } + + void *result; + if (pthread_join (th2, &result) != 0) + { + puts ("pthread_join failed"); + exit (1); + } + + exit (result == NULL ? 0 : 1); + } + else if (child == -1) + { + puts ("initial fork failed"); + exit (1); + } + + int status; + if (TEMP_FAILURE_RETRY (waitpid (child, &status, 0)) != child) + { + printf ("waitpid failed: %m\n"); + exit (1); + } + + exit (status); +} + + +int +main (void) +{ + initial_pid = getpid (); + + pthread_t th1; + if (pthread_create (&th1, NULL, tf1, NULL) != 0) + { + puts ("parent: pthread_create failed"); + exit (1); + } + + /* This call should never return. */ + pthread_join (th1, NULL); + + return 1; +} |