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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1729800144363116600 Content-Type: text/plain; charset="utf-8" Just like for QEMU_LOG_FILENAME, replace %d with PID in the GDB socket path. This allows running multi-process applications with, e.g., export QEMU_GDB=3D/tmp/qemu-%d.sock. Currently this is not possible, since the first process will cause the subsequent ones to fail due to not being able to bind() the GDB socket. Signed-off-by: Ilya Leoshkevich Reviewed-by: Richard Henderson Reviewed-by: Warner Losh --- gdbstub/user.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/gdbstub/user.c b/gdbstub/user.c index 0b4bfa9c488..cdf5affae15 100644 --- a/gdbstub/user.c +++ b/gdbstub/user.c @@ -316,9 +316,19 @@ static bool gdb_accept_socket(int gdb_fd) =20 static int gdbserver_open_socket(const char *path) { + g_autoptr(GString) buf =3D g_string_new(""); struct sockaddr_un sockaddr =3D {}; + char *pid_placeholder; int fd, ret; =20 + pid_placeholder =3D strstr(path, "%d"); + if (pid_placeholder !=3D NULL) { + g_string_append_len(buf, path, pid_placeholder - path); + g_string_append_printf(buf, "%d", getpid()); + g_string_append(buf, pid_placeholder + 2); + path =3D buf->str; + } + fd =3D socket(AF_UNIX, SOCK_STREAM, 0); if (fd < 0) { perror("create socket"); --=20 2.47.0