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openSUSE:12.2
xen
tapdisk-ioemu-logfile.patch
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File tapdisk-ioemu-logfile.patch of Package xen
From 903a145f3eace5e3ae914f0335ab6c4e33635d2f Mon Sep 17 00:00:00 2001 From: Kevin Wolf <kwolf@suse.de> Date: Tue, 10 Mar 2009 16:36:23 +0100 Subject: [PATCH 4/6] tapdisk-ioemu: Write messages to a logfile Typically, tapdisk-ioemu runs as a daemon and messages to stderr are simply lost. Write them to a logfile instead. Signed-off-by: Kevin Wolf <kwolf@suse.de> --- tapdisk-ioemu.c | 19 +++++++++++++------ 1 files changed, 13 insertions(+), 6 deletions(-) Index: xen-4.1.2-testing/tools/ioemu-qemu-xen/tapdisk-ioemu.c =================================================================== --- xen-4.1.2-testing.orig/tools/ioemu-qemu-xen/tapdisk-ioemu.c +++ xen-4.1.2-testing/tools/ioemu-qemu-xen/tapdisk-ioemu.c @@ -78,15 +78,22 @@ int main(void) struct timeval tv; void *old_fd_start = NULL; - logfile = stderr; - + /* Daemonize */ + if (fork() != 0) + exit(0); + bdrv_init(); init_blktap(); - /* Daemonize */ - if (fork() != 0) - exit(0); - + logfile = fopen("/var/log/xen/tapdisk-ioemu.log", "a"); + if (logfile) { + setbuf(logfile, NULL); + fclose(stderr); + stderr = logfile; + } else { + logfile = stderr; + } + /* * Main loop: Pass events to the corrsponding handlers and check for * completed aio operations.
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