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8231171: remove remaining sun.java.launcher.pid references

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Reviewed-by: alanb, dholmes
This commit is contained in:
Matthias Baesken 2019-09-20 10:28:48 +02:00
parent bb56c020f4
commit e2ebf7b822
9 changed files with 6 additions and 110 deletions
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31
src/hotspot/os/bsd/os_bsd.cpp
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@ -136,8 +136,6 @@ static int clock_tics_per_sec = 100;
static sigset_t check_signal_done;
static bool check_signals = true;
static pid_t _initial_pid = 0;
// Signal number used to suspend/resume a thread
// do not use any signal number less than SIGSEGV, see 4355769
@ -1124,24 +1122,7 @@ intx os::current_thread_id() {
}
int os::current_process_id() {
// Under the old bsd thread library, bsd gives each thread
// its own process id. Because of this each thread will return
// a different pid if this method were to return the result
// of getpid(2). Bsd provides no api that returns the pid
// of the launcher thread for the vm. This implementation
// returns a unique pid, the pid of the launcher thread
// that starts the vm 'process'.
// Under the NPTL, getpid() returns the same pid as the
// launcher thread rather than a unique pid per thread.
// Use gettid() if you want the old pre NPTL behaviour.
// if you are looking for the result of a call to getpid() that
// returns a unique pid for the calling thread, then look at the
// OSThread::thread_id() method in osThread_bsd.hpp file
return (int)(_initial_pid ? _initial_pid : getpid());
return (int)(getpid());
}
// DLL functions
@ -3087,16 +3068,6 @@ extern void report_error(char* file_name, int line_no, char* title,
void os::init(void) {
char dummy; // used to get a guess on initial stack address
// With BsdThreads the JavaMain thread pid (primordial thread)
// is different than the pid of the java launcher thread.
// So, on Bsd, the launcher thread pid is passed to the VM
// via the sun.java.launcher.pid property.
// Use this property instead of getpid() if it was correctly passed.
// See bug 6351349.
pid_t java_launcher_pid = (pid_t) Arguments::sun_java_launcher_pid();
_initial_pid = (java_launcher_pid > 0) ? java_launcher_pid : getpid();
clock_tics_per_sec = CLK_TCK;
init_random(1234567);