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Load the dtraceall module if /dev/dtrace/dtrace doesn't exist.

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MFC after:	3 days
This commit is contained in:
Rui Paulo 2013-08-10 23:17:09 +00:00
parent 1df885c863
commit f6ddb56a60
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=254197
1 changed files with 11 additions and 1 deletions
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12
cddl/contrib/opensolaris/lib/libdtrace/common/dt_open.c
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@ -1086,7 +1086,17 @@ dt_vopen(int version, int flags, int *errp,
dtfd = open("/dev/dtrace/dtrace", O_RDWR);
err = errno; /* save errno from opening dtfd */
#if defined(__FreeBSD__)
/*
* Automatically load the 'dtraceall' module if we couldn't open the
* char device.
*/
if (err == ENOENT && modfind("dtraceall") < 0) {
kldload("dtraceall"); /* ignore the error */
dtfd = open("/dev/dtrace/dtrace", O_RDWR);
err = errno;
}
#endif
#if defined(sun)
ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR);
#else