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-rw-r--r--util.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/util.c b/util.c
index 76a8a36..7ee9c51 100644
--- a/util.c
+++ b/util.c
@@ -5,11 +5,13 @@
static FILE *trace_fp;
static char last_char = '\n';
static pid_t last_pid = 0;
+static int multiproctrace;
void
-set_trace_output(FILE *fp)
+setup_trace_output(FILE *fp, int multiprocess)
{
+ multiproctrace = multiprocess;
trace_fp = fp;
}
@@ -22,10 +24,12 @@ tprintf(struct process *proc, const char *fmt, ...)
last_pid = 0;
fmt = &fmt[1];
}
- if (last_char == '\n')
- fprintf(trace_fp, "[%ju] ", (uintmax_t)proc->pid);
- else if (proc->pid != last_pid)
- fprintf(trace_fp, "\n[%ju] ", (uintmax_t)proc->pid);
+ if (multiproctrace) {
+ if (last_char == '\n')
+ fprintf(trace_fp, "[%ju] ", (uintmax_t)proc->pid);
+ else if (proc->pid != last_pid)
+ fprintf(trace_fp, "\n[%ju] ", (uintmax_t)proc->pid);
+ }
va_start(ap, fmt);
vfprintf(trace_fp, fmt, ap);
last_pid = proc->pid;