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authorSverker Eriksson <[email protected]>2011-03-29 11:35:32 +0200
committerSverker Eriksson <[email protected]>2011-05-11 16:16:09 +0200
commit39520f55033d73f9754312f8ba13ea3e36403114 (patch)
treed3abff7f8df328967ebcdae3db4e11be76252e48 /erts/emulator/hipe/hipe_bif2.c
parent2ef48dca9328e0b928117f21bc9ee6dbc5a614cc (diff)
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lock checking fix in hipe_bif2.c
Diffstat (limited to 'erts/emulator/hipe/hipe_bif2.c')
-rw-r--r--erts/emulator/hipe/hipe_bif2.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/erts/emulator/hipe/hipe_bif2.c b/erts/emulator/hipe/hipe_bif2.c
index 19cd32c68f..2660f74a82 100644
--- a/erts/emulator/hipe/hipe_bif2.c
+++ b/erts/emulator/hipe/hipe_bif2.c
@@ -1,9 +1,8 @@
/*
* %CopyrightBegin%
-
- *
+ *
* Copyright Ericsson AB 2001-2011. All Rights Reserved.
- *
+ *
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
@@ -37,14 +36,25 @@
#include "hipe_arch.h"
#include "hipe_stack.h"
-BIF_RETTYPE hipe_bifs_show_estack_1(BIF_ALIST_1)
+static void proc_unlock(Process* c_p, Process* rp)
{
+ ErtsProcLocks locks = ERTS_PROC_LOCKS_ALL;
+ if (rp == c_p) {
+ locks &= ~ERTS_PROC_LOCK_MAIN;
+ }
+ if (rp && locks) {
+ erts_smp_proc_unlock(rp, locks);
+ }
+}
+
+BIF_RETTYPE hipe_bifs_show_estack_1(BIF_ALIST_1)
+{
Process *rp = erts_pid2proc(BIF_P, ERTS_PROC_LOCK_MAIN,
BIF_ARG_1, ERTS_PROC_LOCKS_ALL);
if (!rp)
BIF_ERROR(BIF_P, BADARG);
hipe_print_estack(rp);
- erts_smp_proc_unlock(rp, ERTS_PROC_LOCKS_ALL);
+ proc_unlock(BIF_P, rp);
BIF_RET(am_true);
}
@@ -55,7 +65,7 @@ BIF_RETTYPE hipe_bifs_show_heap_1(BIF_ALIST_1)
if (!rp)
BIF_ERROR(BIF_P, BADARG);
hipe_print_heap(rp);
- erts_smp_proc_unlock(rp, ERTS_PROC_LOCKS_ALL);
+ proc_unlock(BIF_P, rp);
BIF_RET(am_true);
}
@@ -66,7 +76,7 @@ BIF_RETTYPE hipe_bifs_show_nstack_1(BIF_ALIST_1)
if (!rp)
BIF_ERROR(BIF_P, BADARG);
hipe_print_nstack(rp);
- erts_smp_proc_unlock(rp, ERTS_PROC_LOCKS_ALL);
+ proc_unlock(BIF_P, rp);
BIF_RET(am_true);
}
@@ -82,7 +92,7 @@ BIF_RETTYPE hipe_bifs_show_pcb_1(BIF_ALIST_1)
if (!rp)
BIF_ERROR(BIF_P, BADARG);
hipe_print_pcb(rp);
- erts_smp_proc_unlock(rp, ERTS_PROC_LOCKS_ALL);
+ proc_unlock(BIF_P, rp);
BIF_RET(am_true);
}