[systemd-commits] 2 commits - fixme src/kmod-setup.c src/main.c src/util.c src/util.h

Lennart Poettering lennart at kemper.freedesktop.org
Wed Sep 15 05:49:05 PDT 2010


 fixme            |   14 ++++++++++----
 src/kmod-setup.c |   29 +++++++++++------------------
 src/main.c       |    9 +++++----
 src/util.c       |   34 +++++++++++++++++++++++++++-------
 src/util.h       |    2 ++
 5 files changed, 55 insertions(+), 33 deletions(-)

New commits:
commit 8e12a6aed3d99ac8c140cd56b560f5efeb1c4e1a
Author: Lennart Poettering <lennart at poettering.net>
Date:   Wed Sep 15 14:48:59 2010 +0200

    util: use waitid() instead of waitpid() everywhere to avoid confusion due to SIGSTOP

diff --git a/src/kmod-setup.c b/src/kmod-setup.c
index 0bcad3c..44d843d 100644
--- a/src/kmod-setup.c
+++ b/src/kmod-setup.c
@@ -41,7 +41,8 @@ int kmod_setup(void) {
         ExecCommand command;
         ExecContext context;
         pid_t pid;
-        int status, r;
+        int r;
+        siginfo_t status;
 
         for (i = 0; i < ELEMENTSOF(kmod_table); i += 2) {
 
@@ -76,21 +77,22 @@ int kmod_setup(void) {
         if (r < 0)
                 return r;
 
-        if ((r = waitpid_loop(pid, &status)) < 0)
+        if ((r = wait_for_terminate(pid, &status)) < 0)
                 return -errno;
 
-        if (WIFEXITED(status)) {
-                if (WEXITSTATUS(status) != 0) {
-                        log_warning("/sbin/modprobe failed with error code %i.", WEXITSTATUS(status));
+        if (status.si_code == CLD_EXITED) {
+                if (status.si_status != 0) {
+                        log_warning("/sbin/modprobe failed with error code %i.", status.si_status);
                         return -EPROTO;
                 }
 
                 log_debug("/sbin/modprobe succeeded.");
                 return 0;
-        }
 
-        if (WIFSIGNALED(status)) {
-                log_warning("/sbin/modprobe terminated by signal %s.", signal_to_string(WTERMSIG(status)));
+        } else if (status.si_code == CLD_KILLED ||
+                   status.si_code == CLD_DUMPED) {
+
+                log_warning("/sbin/modprobe terminated by signal %s.", signal_to_string(status.si_status));
                 return -EPROTO;
         }
 
diff --git a/src/main.c b/src/main.c
index dc561a9..e4f229e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -119,12 +119,13 @@ _noreturn_ static void crash(int sig) {
                         _exit(1);
 
                 } else {
-                        int status;
+                        siginfo_t status;
+                        int r;
 
                         /* Order things nicely. */
-                        if (waitpid(pid, &status, 0) < 0)
-                                log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(errno));
-                        else if (!WCOREDUMP(status))
+                        if ((r = wait_for_terminate(pid, &status)) < 0)
+                                log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r));
+                        else if (status.si_code != CLD_DUMPED)
                                 log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
                         else
                                 log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
diff --git a/src/util.c b/src/util.c
index 805d47a..a3d6b49 100644
--- a/src/util.c
+++ b/src/util.c
@@ -3101,12 +3101,14 @@ char *unquote(const char *s, const char quote) {
         return strdup(s);
 }
 
-int waitpid_loop(pid_t pid, int *status) {
+int wait_for_terminate(pid_t pid, siginfo_t *status) {
         assert(pid >= 1);
         assert(status);
 
         for (;;) {
-                if (waitpid(pid, status, 0) < 0) {
+                zero(*status);
+
+                if (waitid(P_PID, pid, status, WEXITED) < 0) {
 
                         if (errno == EINTR)
                                 continue;
diff --git a/src/util.h b/src/util.h
index 4bea1ec..bdd4f15 100644
--- a/src/util.h
+++ b/src/util.h
@@ -345,7 +345,7 @@ int touch(const char *path);
 
 char *unquote(const char *s, const char quote);
 
-int waitpid_loop(pid_t pid, int *status);
+int wait_for_terminate(pid_t pid, siginfo_t *status);
 
 #define NULSTR_FOREACH(i, l) \
         for ((i) = (l); (i) && *(i); (i) = strchr((i), 0)+1)
commit 2e78aa9988425d540a572535fa2e3d68ff519316
Author: Lennart Poettering <lennart at poettering.net>
Date:   Wed Sep 15 14:37:16 2010 +0200

    util: introduce waitpid_loop()

diff --git a/fixme b/fixme
index 2e7cd3b..bce501c 100644
--- a/fixme
+++ b/fixme
@@ -3,8 +3,6 @@
 * read /etc/locale, and export LANG= and friends to started services
   allow overwrite of setting by kernel commandline: locale.LANG=, ...
 
-* ABI: tcpwrap "legacy", disable D-Bus export if not compiled-in
-
 * oneshot services which do not remain: 'exited' instead of 'dead'?
   it should be visible in 'systemctl' that they have been run
 
@@ -88,6 +86,16 @@
 
 * support dbus introspection in mid-level object paths, i.e. in /org/freedesktop/systemd/units/.
 
+* default.target auch in /lib linken
+
+* systemctl auto-pager a la git
+
+* console setup
+
+* fsck setup
+
+* merge CK
+
 External:
 
 * place /etc/inittab with explaining blurb.
@@ -100,8 +108,6 @@ External:
 
 * make sysinit honour forcefsck/fastboot from the kernel command line fsck.mode=auto|force|skip
 
-* ck logging, ssd readahead
-
 * pam: fix double sudo session cleanup:
   http://www.gratisoft.us/bugzilla/show_bug.cgi?id=421
 
diff --git a/src/kmod-setup.c b/src/kmod-setup.c
index e614295..0bcad3c 100644
--- a/src/kmod-setup.c
+++ b/src/kmod-setup.c
@@ -76,17 +76,8 @@ int kmod_setup(void) {
         if (r < 0)
                 return r;
 
-        for (;;) {
-                if (waitpid(pid, &status, 0) < 0) {
-
-                        if (errno == EINTR)
-                                continue;
-
-                        return -errno;
-                }
-
-                break;
-        }
+        if ((r = waitpid_loop(pid, &status)) < 0)
+                return -errno;
 
         if (WIFEXITED(status)) {
                 if (WEXITSTATUS(status) != 0) {
diff --git a/src/util.c b/src/util.c
index 48cdb19..805d47a 100644
--- a/src/util.c
+++ b/src/util.c
@@ -49,6 +49,7 @@
 #include <netinet/ip.h>
 #include <linux/kd.h>
 #include <dlfcn.h>
+#include <sys/wait.h>
 
 #include "macro.h"
 #include "util.h"
@@ -2849,18 +2850,18 @@ void status_welcome(void) {
         free(r);
 
 #elif defined(TARGET_DEBIAN)
-	char *r;
+        char *r;
 
-	if (read_one_line_file("/etc/debian_version", &r) < 0)
-		return;
+        if (read_one_line_file("/etc/debian_version", &r) < 0)
+                return;
 
-	truncate_nl(r);
+        truncate_nl(r);
 
-	status_printf("Welcome to Debian \x1B[1;31m%s\x1B[0m!\n", r); /* Light Red for Debian */
+        status_printf("Welcome to Debian \x1B[1;31m%s\x1B[0m!\n", r); /* Light Red for Debian */
 
-	free(r);
+        free(r);
 #elif defined(TARGET_ARCH)
-	status_printf("Welcome to \x1B[1;36mArch Linux\x1B[0m!\n"); /* Cyan for Arch */
+        status_printf("Welcome to \x1B[1;36mArch Linux\x1B[0m!\n"); /* Cyan for Arch */
 #else
 #warning "You probably should add a welcome text logic here."
 #endif
@@ -3100,6 +3101,23 @@ char *unquote(const char *s, const char quote) {
         return strdup(s);
 }
 
+int waitpid_loop(pid_t pid, int *status) {
+        assert(pid >= 1);
+        assert(status);
+
+        for (;;) {
+                if (waitpid(pid, status, 0) < 0) {
+
+                        if (errno == EINTR)
+                                continue;
+
+                        return -errno;
+                }
+
+                return 0;
+        }
+}
+
 static const char *const ioprio_class_table[] = {
         [IOPRIO_CLASS_NONE] = "none",
         [IOPRIO_CLASS_RT] = "realtime",
diff --git a/src/util.h b/src/util.h
index 3a7ac29..4bea1ec 100644
--- a/src/util.h
+++ b/src/util.h
@@ -345,6 +345,8 @@ int touch(const char *path);
 
 char *unquote(const char *s, const char quote);
 
+int waitpid_loop(pid_t pid, int *status);
+
 #define NULSTR_FOREACH(i, l) \
         for ((i) = (l); (i) && *(i); (i) = strchr((i), 0)+1)
 


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