Caught by tst-getpid1 test from uClibc's test-suite. It looks like original implementation was not correct. The code in question is supposed to recover PID of the new thread. And by no means that could happen with clone() syscall while getpid() does exactly this.
Signed-off-by: Alexey Brodkin <[email protected]> Acked-by: Vineet Gupta <[email protected]> Reported-by: Eugeniy Paltsev <[email protected]> --- libc/sysdeps/linux/arc/clone.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libc/sysdeps/linux/arc/clone.S b/libc/sysdeps/linux/arc/clone.S index 3c1388e..dbb3fa7 100644 --- a/libc/sysdeps/linux/arc/clone.S +++ b/libc/sysdeps/linux/arc/clone.S @@ -72,7 +72,7 @@ ENTRY(clone) and_s r2, r2, r12 brne r2, r12, .Lgo_thread - mov r8, __NR_clone + mov r8, __NR_getpid ARC_TRAP_INSN ; r0 has PID THREAD_SELF r1 ; Get to struct pthread (just before TCB) st r0, [r1, PTHREAD_PID] -- 2.7.4 _______________________________________________ devel mailing list [email protected] http://mailman.uclibc-ng.org/cgi-bin/mailman/listinfo/devel
