diff options
Diffstat (limited to 'meta/recipes-support/ptest-runner/ptest-runner/0004-utils-ensure-child-can-be-session-leader.patch')
| -rw-r--r-- | meta/recipes-support/ptest-runner/ptest-runner/0004-utils-ensure-child-can-be-session-leader.patch | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/meta/recipes-support/ptest-runner/ptest-runner/0004-utils-ensure-child-can-be-session-leader.patch b/meta/recipes-support/ptest-runner/ptest-runner/0004-utils-ensure-child-can-be-session-leader.patch deleted file mode 100644 index 13b4cbc7fb..0000000000 --- a/meta/recipes-support/ptest-runner/ptest-runner/0004-utils-ensure-child-can-be-session-leader.patch +++ /dev/null @@ -1,212 +0,0 @@ -From 79698d3205dedba887e0d2492de945d3079de029 Mon Sep 17 00:00:00 2001 -From: Randy MacLeod <Randy.MacLeod@windriver.com> -Date: Thu, 6 Jun 2019 17:03:50 -0400 -Subject: [PATCH] utils: ensure child can be session leader - -When running the run-execscript bash ptest as a user rather than root, a warning: - bash: cannot set terminal process group (16036): Inappropriate ioctl for device - bash: no job control in this shell -contaminates the bash log files causing the test to fail. This happens only -when run under ptest-runner and not when interactively testing! - -The changes made to fix this include: -1. Get the process group id (pgid) before forking, -2. Set the pgid in both the parent and child to avoid a race, -3. Find, open and set permission on the child tty, and -4. Allow the child to attach to controlling tty. - -Also add '-lutil' to Makefile. This lib is from libc and provides openpty. - -Upstream-Status: Submitted [yocto@yoctoproject.org] - -Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com> -Signed-off-by: Randy MacLeod <Randy.MacLeod@windriver.com> ---- - Makefile | 2 +- - utils.c | 102 +++++++++++++++++++++++++++++++++++++++++++++++++------ - 2 files changed, 92 insertions(+), 12 deletions(-) - -diff --git a/Makefile b/Makefile -index 1bde7be..439eb79 100644 ---- a/Makefile -+++ b/Makefile -@@ -29,7 +29,7 @@ TEST_DATA=$(shell echo `pwd`/tests/data) - all: $(SOURCES) $(EXECUTABLE) - - $(EXECUTABLE): $(OBJECTS) -- $(CC) $(LDFLAGS) $(OBJECTS) -o $@ -+ $(CC) $(LDFLAGS) $(OBJECTS) -lutil -o $@ - - tests: $(TEST_SOURCES) $(TEST_EXECUTABLE) - -diff --git a/utils.c b/utils.c -index ad737c2..f11ce39 100644 ---- a/utils.c -+++ b/utils.c -@@ -1,5 +1,6 @@ - /** - * Copyright (c) 2016 Intel Corporation -+ * Copyright (C) 2019 Wind River Systems, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License -@@ -22,23 +23,27 @@ - */ - - #define _GNU_SOURCE -+ - #include <stdio.h> - -+#include <dirent.h> -+#include <errno.h> -+#include <fcntl.h> -+#include <grp.h> - #include <libgen.h> --#include <signal.h> - #include <poll.h> --#include <fcntl.h> -+#include <pty.h> -+#include <signal.h> -+#include <stdlib.h> -+#include <string.h> - #include <time.h> --#include <dirent.h> -+#include <unistd.h> -+ -+#include <sys/ioctl.h> - #include <sys/resource.h> -+#include <sys/stat.h> - #include <sys/types.h> - #include <sys/wait.h> --#include <sys/stat.h> --#include <unistd.h> --#include <string.h> --#include <stdlib.h> -- --#include <errno.h> - - #include "ptest_list.h" - #include "utils.h" -@@ -346,6 +351,53 @@ wait_child(const char *ptest_dir, const char *run_ptest, pid_t pid, - return status; - } - -+/* Returns an integer file descriptor. -+ * If it returns < 0, an error has occurred. -+ * Otherwise, it has returned the slave pty file descriptor. -+ * fp should be writable, likely stdout/err. -+ */ -+static int -+setup_slave_pty(FILE *fp) { -+ int pty_master = -1; -+ int pty_slave = -1; -+ char pty_name[256]; -+ struct group *gptr; -+ gid_t gid; -+ int slave = -1; -+ -+ if (openpty(&pty_master, &pty_slave, pty_name, NULL, NULL) < 0) { -+ fprintf(fp, "ERROR: openpty() failed with: %s.\n", strerror(errno)); -+ return -1; -+ } -+ -+ if ((gptr = getgrnam(pty_name)) != 0) { -+ gid = gptr->gr_gid; -+ } else { -+ /* If the tty group does not exist, don't change the -+ * group on the slave pty, only the owner -+ */ -+ gid = -1; -+ } -+ -+ /* chown/chmod the corresponding pty, if possible. -+ * This will only work if the process has root permissions. -+ */ -+ if (chown(pty_name, getuid(), gid) != 0) { -+ fprintf(fp, "ERROR; chown() failed with: %s.\n", strerror(errno)); -+ } -+ -+ /* Makes the slave read/writeable for the user. */ -+ if (chmod(pty_name, S_IRUSR|S_IWUSR) != 0) { -+ fprintf(fp, "ERROR: chmod() failed with: %s.\n", strerror(errno)); -+ } -+ -+ if ((slave = open(pty_name, O_RDWR)) == -1) { -+ fprintf(fp, "ERROR: open() failed with: %s.\n", strerror(errno)); -+ } -+ return (slave); -+} -+ -+ - int - run_ptests(struct ptest_list *head, const struct ptest_options opts, - const char *progname, FILE *fp, FILE *fp_stderr) -@@ -362,6 +414,8 @@ run_ptests(struct ptest_list *head, const struct ptest_options opts, - int timeouted; - time_t sttime, entime; - int duration; -+ int slave; -+ int pgid = -1; - - if (opts.xml_filename) { - xh = xml_create(ptest_list_length(head), opts.xml_filename); -@@ -379,7 +433,6 @@ run_ptests(struct ptest_list *head, const struct ptest_options opts, - close(pipefd_stdout[1]); - break; - } -- - fprintf(fp, "START: %s\n", progname); - PTEST_LIST_ITERATE_START(head, p); - char *ptest_dir = strdup(p->run_ptest); -@@ -388,6 +441,13 @@ run_ptests(struct ptest_list *head, const struct ptest_options opts, - break; - } - dirname(ptest_dir); -+ if (ioctl(0, TIOCNOTTY) == -1) { -+ fprintf(fp, "ERROR: Unable to detach from controlling tty, %s\n", strerror(errno)); -+ } -+ -+ if ((pgid = getpgid(0)) == -1) { -+ fprintf(fp, "ERROR: getpgid() failed, %s\n", strerror(errno)); -+ } - - child = fork(); - if (child == -1) { -@@ -395,13 +455,33 @@ run_ptests(struct ptest_list *head, const struct ptest_options opts, - rc = -1; - break; - } else if (child == 0) { -- setsid(); -+ close(0); -+ if ((slave = setup_slave_pty(fp)) < 0) { -+ fprintf(fp, "ERROR: could not setup pty (%d).", slave); -+ } -+ if (setpgid(0,pgid) == -1) { -+ fprintf(fp, "ERROR: setpgid() failed, %s\n", strerror(errno)); -+ } -+ -+ if (setsid() == -1) { -+ fprintf(fp, "ERROR: setsid() failed, %s\n", strerror(errno)); -+ } -+ -+ if (ioctl(0, TIOCSCTTY, NULL) == -1) { -+ fprintf(fp, "ERROR: Unable to attach to controlling tty, %s\n", strerror(errno)); -+ } -+ - run_child(p->run_ptest, pipefd_stdout[1], pipefd_stderr[1]); -+ - } else { - int status; - int fds[2]; fds[0] = pipefd_stdout[0]; fds[1] = pipefd_stderr[0]; - FILE *fps[2]; fps[0] = fp; fps[1] = fp_stderr; - -+ if (setpgid(child, pgid) == -1) { -+ fprintf(fp, "ERROR: setpgid() failed, %s\n", strerror(errno)); -+ } -+ - sttime = time(NULL); - fprintf(fp, "%s\n", get_stime(stime, GET_STIME_BUF_SIZE, sttime)); - fprintf(fp, "BEGIN: %s\n", ptest_dir); --- -2.17.0 - |