diff options
| author | John Baldwin <jhb@FreeBSD.org> | 2000-11-28 23:15:44 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2000-11-28 23:15:44 +0000 |
| commit | bf8bfade992616d46bb6ad88a61cf4a715d34fcb (patch) | |
| tree | e771251c363c580447bcf7f8fb33c09418c6a83b /sys | |
| parent | 9a51cfcde1180b005bd235fdcc8ac6f85ba8b474 (diff) | |
Notes
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/amd64/amd64/db_interface.c | 7 | ||||
| -rw-r--r-- | sys/i386/i386/db_interface.c | 7 |
2 files changed, 6 insertions, 8 deletions
diff --git a/sys/amd64/amd64/db_interface.c b/sys/amd64/amd64/db_interface.c index a801301a79cc..a2d07cb90e6d 100644 --- a/sys/amd64/amd64/db_interface.c +++ b/sys/amd64/amd64/db_interface.c @@ -306,7 +306,7 @@ void Debugger(msg) const char *msg; { - static volatile u_char in_Debugger; + static volatile u_int in_Debugger; int flags; /* * XXX @@ -317,14 +317,13 @@ Debugger(msg) if (cons_unavail && !(boothowto & RB_GDB)) return; - if (!in_Debugger) { + if (atomic_cmpset_int(&in_Debugger, 0, 1)) { flags = save_intr(); disable_intr(); - in_Debugger = 1; db_printf("Debugger(\"%s\")\n", msg); breakpoint(); - in_Debugger = 0; restore_intr(flags); + in_Debugger = 0; } } diff --git a/sys/i386/i386/db_interface.c b/sys/i386/i386/db_interface.c index a801301a79cc..a2d07cb90e6d 100644 --- a/sys/i386/i386/db_interface.c +++ b/sys/i386/i386/db_interface.c @@ -306,7 +306,7 @@ void Debugger(msg) const char *msg; { - static volatile u_char in_Debugger; + static volatile u_int in_Debugger; int flags; /* * XXX @@ -317,14 +317,13 @@ Debugger(msg) if (cons_unavail && !(boothowto & RB_GDB)) return; - if (!in_Debugger) { + if (atomic_cmpset_int(&in_Debugger, 0, 1)) { flags = save_intr(); disable_intr(); - in_Debugger = 1; db_printf("Debugger(\"%s\")\n", msg); breakpoint(); - in_Debugger = 0; restore_intr(flags); + in_Debugger = 0; } } |