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-rw-r--r--src/pulsecore/memtrap.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/pulsecore/memtrap.c b/src/pulsecore/memtrap.c
index 4fc18210..b56d806a 100644
--- a/src/pulsecore/memtrap.c
+++ b/src/pulsecore/memtrap.c
@@ -24,7 +24,10 @@
#endif
#include <signal.h>
+
+#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
+#endif
/* This is deprecated on glibc but is still used by FreeBSD */
#if !defined(MAP_ANONYMOUS) && defined(MAP_ANON)
@@ -68,6 +71,7 @@ static void sigsafe_error(const char *s) {
(void) write(STDERR_FILENO, s, strlen(s));
}
+#ifdef HAVE_SIGACTION
static void signal_handler(int sig, siginfo_t* si, void *data) {
unsigned j;
pa_memtrap *m;
@@ -102,6 +106,7 @@ fail:
sigsafe_error("Failed to handle SIGBUS.\n");
abort();
}
+#endif
static void memtrap_link(pa_memtrap *m, unsigned j) {
pa_assert(m);
@@ -221,6 +226,7 @@ unlock:
}
void pa_memtrap_install(void) {
+#ifdef HAVE_SIGACTION
struct sigaction sa;
allocate_aupdate();
@@ -230,4 +236,5 @@ void pa_memtrap_install(void) {
sa.sa_flags = SA_RESTART|SA_SIGINFO;
pa_assert_se(sigaction(SIGBUS, &sa, NULL) == 0);
+#endif
}