85d4a67695
Kwok Cheung Yeung <kcy@codesourcery.com> * NEWS: Describe new info os commands. * common/linux-osdata.c (PID_T, TIME_T): Define. (MAX_PID_T_STRLEN): New. (linux_common_core_of_thread): Add comment. Change to use PID_T and MAX_PID_T_STRLEN. (command_from_pid): Add comment. Change to use PID_T. (commandline_from_pid): Change to use PID_T. (user_from_pid): Add comment. (get_process_owner): Add comment. Change to use PID_T and MAX_PID_T_STRLEN. (get_number_of_cpu_cores): Add comment. (get_cores_used_by_process): Add comment. Change to use PID_T and MAX_PID_T_STRLEN. (linux_xfer_osdata_processes): Change to use PID_T and MAX_PID_T_STRLEN. (compare_processes): New function. (linux_xfer_osdata_processgroups): New function. (linux_xfer_osdata_threads): Change to use PID_T. (linux_xfer_osdata_fds): New function. (format_socket_state, print_sockets): New functions. (union socket_addr): New union. (linux_xfer_osdata_isockets): New function. (time_from_time_t, group_from_gid): New functions. (linux_xfer_osdata_shm): New function. (linux_xfer_osdata_sem): New function. (linux_xfer_osdata_msg): New function. (linux_xfer_osdata_modules): New function. (osdata_table): Add new entries. * common/buffer.c (buffer_xml_printf): Add support for long and long long format specifiers. * gdb.texinfo (Operating System Auxiliary Information): Document new 'info os' subcommands. * gdb.base/info-os.exp: New file. * gdb.base/info-os.c: New file.
115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2011 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <sys/shm.h>
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#include <sys/sem.h>
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#include <sys/msg.h>
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#include <stdio.h>
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#include <pthread.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
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void *
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thread_proc (void *args)
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{
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pthread_mutex_lock (&mutex);
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pthread_mutex_unlock (&mutex);
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}
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int
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main (void)
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{
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const int flags = IPC_CREAT | 0666;
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int shmid, semid, msqid;
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FILE *fd;
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pthread_t thread;
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struct sockaddr_in sock_addr;
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int sock;
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unsigned short port;
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socklen_t size;
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int status;
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if ((shmid = shmget (3925, 4096, flags | IPC_EXCL)) < 0)
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{
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/* Attempt to delete the existing shared-memory region, then
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recreate it. */
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shmctl (shmget (3925, 4096, flags), IPC_RMID, NULL);
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if ((shmid = shmget (3925, 4096, flags | IPC_EXCL)) < 0)
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{
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printf ("Cannot create shared-memory region.\n");
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return 1;
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}
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}
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semid = semget (7428, 1, flags);
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msqid = msgget (5294, flags);
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fd = fopen ("/dev/null", "r");
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/* Lock the mutex to prevent the new thread from finishing immediately. */
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pthread_mutex_lock (&mutex);
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pthread_create (&thread, NULL, thread_proc, 0);
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sock = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP);
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if (sock < 0)
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{
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printf ("Cannot create socket.\n");
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return 1;
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}
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sock_addr.sin_family = AF_INET;
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sock_addr.sin_port = 0; /* Bind to a free port. */
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sock_addr.sin_addr.s_addr = htonl (INADDR_ANY);
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status = bind (sock, (struct sockaddr *) &sock_addr, sizeof (sock_addr));
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if (status < 0)
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{
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printf ("Cannot bind socket.\n");
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return 1;
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}
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/* Find the assigned port number of the socket. */
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size = sizeof (sock_addr);
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status = getsockname (sock, (struct sockaddr *) &sock_addr, &size);
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if (status < 0)
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{
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printf ("Cannot find name of socket.\n");
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return 1;
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}
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port = ntohs (sock_addr.sin_port);
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status = listen (sock, 1);
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if (status < 0)
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{
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printf ("Cannot listen on socket.\n");
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return 1;
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}
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/* Set breakpoint here. */
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shmctl (shmid, IPC_RMID, NULL);
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semctl (semid, 0, IPC_RMID, NULL);
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msgctl (msqid, IPC_RMID, NULL);
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fclose (fd);
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close (sock);
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pthread_mutex_unlock (&mutex);
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pthread_join (thread, NULL);
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return 0;
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}
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