From: Joshua Kinard <kumba@xxxxxxxxxx> uClibc doesn't provide the sigrelse or sighold calls, so this patch replaces them with POSIX signal API calls (sigprocmask(2), etc). Refer to Gentoo Bug #477758: https://bugs.gentoo.org/show_bug.cgi?id=477758 Signed-off-by: Joshua Kinard <kumba@xxxxxxxxxx> Suggested-by: René Rhéaume <rene.rheaume@xxxxxxxxx> --- copy/xfs_copy.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff -Naurp xfsprogs-4.3.0.orig/copy/xfs_copy.c xfsprogs-4.3.0/copy/xfs_copy.c --- xfsprogs-4.3.0.orig/copy/xfs_copy.c 2015-10-15 21:31:26.000000000 +0000 +++ xfsprogs-4.3.0/copy/xfs_copy.c 2016-01-01 10:53:04.722229000 +0000 @@ -75,6 +75,16 @@ static int format_logs(struct xfs_mount #define LAST 0x10 /* final message we print */ void +signal_maskfunc(int addset, int newset) +{ + sigset_t set; + + sigemptyset(&set); + sigaddset(&set, addset); + sigprocmask(newset, &set, NULL); +} + +void do_message(int flags, int code, const char *fmt, ...) { va_list ap; @@ -477,9 +487,9 @@ write_wbuf(void) if (target[i].state != INACTIVE) pthread_mutex_unlock(&targ[i].wait); /* wake up */ - sigrelse(SIGCHLD); + signal_maskfunc(SIGCHLD, SIG_UNBLOCK); pthread_mutex_lock(&mainwait); - sighold(SIGCHLD); + signal_maskfunc(SIGCHLD, SIG_BLOCK); } void @@ -893,7 +903,7 @@ main(int argc, char **argv) /* set up sigchild signal handler */ signal(SIGCHLD, handler); - sighold(SIGCHLD); + signal_maskfunc(SIGCHLD, SIG_BLOCK); /* make children */ _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
