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-rw-r--r--erts/emulator/sys/unix/sys.c31
1 files changed, 14 insertions, 17 deletions
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index d9b2ec8d2d..d7c4812dad 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -52,6 +52,7 @@
#define ERTS_WANT_GOT_SIGUSR1
#define WANT_NONBLOCKING /* must define this to pull in defs from sys.h */
#include "sys.h"
+#include "erl_thr_progress.h"
#if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__)
#define __DARWIN__ 1
@@ -2420,11 +2421,7 @@ void erts_do_break_handling(void)
* therefore, make sure that all threads but this one are blocked before
* proceeding!
*/
- erts_smp_block_system(0);
- /*
- * NOTE: since we allow gc we are not allowed to lock
- * (any) process main locks while blocking system...
- */
+ erts_smp_thr_progress_block();
/* during break we revert to initial settings */
/* this is done differently for oldshell */
@@ -2452,7 +2449,7 @@ void erts_do_break_handling(void)
tcsetattr(0,TCSANOW,&temp_mode);
}
- erts_smp_release_system();
+ erts_smp_thr_progress_unblock();
}
/* Fills in the systems representation of the jam/beam process identifier.
@@ -2863,7 +2860,7 @@ erl_sys_schedule(int runnable)
{
#ifdef ERTS_SMP
ERTS_CHK_IO(!runnable);
- ERTS_SMP_LC_ASSERT(!ERTS_LC_IS_BLOCKING);
+ ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking());
#else
if (runnable) {
ERTS_CHK_IO(0); /* Poll for I/O */
@@ -2932,15 +2929,15 @@ signal_dispatcher_thread_func(void *unused)
* to other threads.
*
* NOTE 2: The signal dispatcher thread is not a blockable
- * thread (i.e., it hasn't called
- * erts_register_blockable_thread()). This is
- * intentional. We want to be able to interrupt
- * writing of a crash dump by hitting C-c twice.
- * Since it isn't a blockable thread it is important
- * that it doesn't change the state of any data that
- * a blocking thread expects to have exclusive access
- * to (unless the signal dispatcher itself explicitly
- * is blocking all blockable threads).
+ * thread (i.e., not a thread managed by the
+ * erl_thr_progress module). This is intentional.
+ * We want to be able to interrupt writing of a crash
+ * dump by hitting C-c twice. Since it isn't a
+ * blockable thread it is important that it doesn't
+ * change the state of any data that a blocking thread
+ * expects to have exclusive access to (unless the
+ * signal dispatcher itself explicitly is blocking all
+ * blockable threads).
*/
switch (buf[i]) {
case 0: /* Emulator initialized */
@@ -2980,7 +2977,7 @@ signal_dispatcher_thread_func(void *unused)
buf[i]);
}
}
- ERTS_SMP_LC_ASSERT(!ERTS_LC_IS_BLOCKING);
+ ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking());
}
return NULL;
}