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am 574b99bf: am 8e312e81: Merge change Ia5109a87 into eclair

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Merge commit '574b99bfcd743d35c2d7e656ce46e282c784168e' into eclair-mr2-plus-aosp

* commit '574b99bfcd743d35c2d7e656ce46e282c784168e':
  process: Add debug code to log process group transitions
This commit is contained in:
San Mehat
2009-10-29 19:56:58 -07:00
committed by Android Git Automerger
parent 9009d51f25 574b99bfcd
commit 3e28a10479
1 changed files with 22 additions and 0 deletions
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22
core/jni/android_util_Process.cpp
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@@ -51,6 +51,8 @@ pid_t gettid() { return syscall(__NR_gettid);}
#undef __KERNEL__ #undef __KERNEL__
#endif #endif
#define POLICY_DEBUG 1
using namespace android; using namespace android;
static void signalExceptionForPriorityError(JNIEnv* env, jobject obj, int err) static void signalExceptionForPriorityError(JNIEnv* env, jobject obj, int err)
@@ -212,6 +214,26 @@ void android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jin
return; return;
} }
#if POLICY_DEBUG
char cmdline[32];
int fd;
strcpy(cmdline, "unknown");
sprintf(proc_path, "/proc/%d/cmdline", pid);
fd = open(proc_path, O_RDONLY);
if (fd >= 0) {
int rc = read(fd, cmdline, sizeof(cmdline)-1);
cmdline[rc] = 0;
close(fd);
}
if (grp == ANDROID_TGROUP_BG_NONINTERACT) {
LOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline);
} else {
LOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline);
}
#endif
sprintf(proc_path, "/proc/%d/task", pid); sprintf(proc_path, "/proc/%d/task", pid);
if (!(d = opendir(proc_path))) { if (!(d = opendir(proc_path))) {
// If the process exited on us, don't generate an exception // If the process exited on us, don't generate an exception