mirror of https://gitee.com/openkylin/qemu.git
Use sysctl instead of /proc to find executable path on FreeBSD
..since /proc usually isn't mounted on FreeBSD. Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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12
vl.c
12
vl.c
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@ -52,6 +52,7 @@
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#include <sys/stat.h>
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
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#include <libutil.h>
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#include <sys/sysctl.h>
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#else
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#include <util.h>
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#endif
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@ -2276,10 +2277,13 @@ static char *find_datadir(const char *argv0)
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}
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#elif defined(__FreeBSD__)
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{
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int len;
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len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
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if (len > 0) {
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buf[len] = 0;
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static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
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size_t len = sizeof(buf) - 1;
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*buf = '\0';
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if (!sysctl(mib, sizeof(mib)/sizeof(*mib), buf, &len, NULL, 0) &&
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*buf) {
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buf[sizeof(buf) - 1] = '\0';
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p = buf;
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}
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}
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