diff options
| author | Peter Wemm <peter@FreeBSD.org> | 1996-01-24 18:41:41 +0000 |
|---|---|---|
| committer | Peter Wemm <peter@FreeBSD.org> | 1996-01-24 18:41:41 +0000 |
| commit | 0cc7521383b386b3c46d6aca27e1420c9c79d6a0 (patch) | |
| tree | 8145e3cd1e1aac0b3dde9729abaeda8149c107ae /sys/miscfs/procfs/procfs_ctl.c | |
| parent | b0281cef04e99be73e7eeac25e77c54e72657c20 (diff) | |
Notes
Diffstat (limited to 'sys/miscfs/procfs/procfs_ctl.c')
| -rw-r--r-- | sys/miscfs/procfs/procfs_ctl.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/miscfs/procfs/procfs_ctl.c b/sys/miscfs/procfs/procfs_ctl.c index d11a296d2541..78d4ac2a545d 100644 --- a/sys/miscfs/procfs/procfs_ctl.c +++ b/sys/miscfs/procfs/procfs_ctl.c @@ -36,7 +36,7 @@ * * @(#)procfs_ctl.c 8.3 (Berkeley) 1/21/94 * - * $Id: procfs_ctl.c,v 1.7 1995/12/03 14:54:34 bde Exp $ + * $Id: procfs_ctl.c,v 1.8 1995/12/07 12:47:14 davidg Exp $ */ #include <sys/param.h> @@ -72,8 +72,6 @@ procfs_fix_sstep(p); \ } \ } -#else -#define FIX_SSTEP(p) #endif #define PROCFS_CTL_ATTACH 1 @@ -171,10 +169,13 @@ procfs_control(curp, p, op) return (EBUSY); } + +#ifdef FIX_SSTEP /* * do single-step fixup if needed */ FIX_SSTEP(p); +#endif /* * Don't deliver any signal by default. @@ -218,7 +219,9 @@ procfs_control(curp, p, op) * Step. Let the target process execute a single instruction. */ case PROCFS_CTL_STEP: + PHOLD(p); procfs_sstep(p); + PRELE(p); break; /* @@ -301,7 +304,9 @@ procfs_doctl(curp, p, pfs, uio) if (nm) { if (TRACE_WAIT_P(curp, p)) { p->p_xstat = nm->nm_val; +#ifdef FIX_SSTEP FIX_SSTEP(p); +#endif setrunnable(p); } else { psignal(p, nm->nm_val); |