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When we write log, flush output buffers in a few more cases

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I observed a case when signal delivery message was buffered
by stdio until it was flushed along with the next syscall
entry message.

* strace.c (trace): Flush output buffers in a few more cases.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
This commit is contained in:
Denys Vlasenko 2012-01-18 16:20:56 +01:00
parent bbe29b36aa
commit 5e09d77500
1 changed files with 4 additions and 0 deletions
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4
strace.c
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@ -2462,6 +2462,7 @@ trace()
#endif
printtrailer();
}
fflush(tcp->outf);
droptcb(tcp);
continue;
}
@ -2479,6 +2480,7 @@ trace()
tprintf("+++ exited with %d +++", WEXITSTATUS(status));
printtrailer();
}
fflush(tcp->outf);
droptcb(tcp);
continue;
}
@ -2580,6 +2582,7 @@ trace()
signame(sig)
PC_FORMAT_ARG);
printtrailer();
fflush(tcp->outf);
}
goto restart_tracee;
}
@ -2606,6 +2609,7 @@ trace()
tcp_last->flags |= TCB_REPRINT;
tprints(" <unfinished ...>");
printtrailer();
fflush(tcp->outf);
}
/* We assume that ptrace error was caused by process death.
* We used to detach(tcp) here, but since we no longer