diff options
Diffstat (limited to 'rpmio/rpmsq.c')
| -rw-r--r-- | rpmio/rpmsq.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/rpmio/rpmsq.c b/rpmio/rpmsq.c index 1d0e73a6c..6dacd77bf 100644 --- a/rpmio/rpmsq.c +++ b/rpmio/rpmsq.c @@ -162,6 +162,33 @@ int rpmsqPoll(void) return n; } +int rpmsqBlock(int op) +{ + static sigset_t oldMask; + static int blocked = 0; + sigset_t newMask; + int ret = 0; + + if (op == SIG_BLOCK) { + blocked++; + if (blocked == 1) { + sigfillset(&newMask); + ret = sigprocmask(SIG_BLOCK, &newMask, &oldMask); + } + } else if (op == SIG_UNBLOCK) { + blocked--; + if (blocked == 0) { + ret = sigprocmask(SIG_SETMASK, &oldMask, NULL); + rpmsqPoll(); + } else if (blocked < 0) { + blocked = 0; + ret = -1; + } + } + + return ret; +} + /** \ingroup rpmio * * By default, librpm will trap various unix signals such as SIGINT and SIGTERM, |