Add support for BSD in libbacktrace.

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg00068.html
This commit is contained in:
Bartosz Taudul 2019-11-21 19:48:13 +01:00
parent d1fb639b78
commit bf778e2989

View File

@ -34,16 +34,49 @@ POSSIBILITY OF SUCH DAMAGE. */
#include <sys/types.h> #include <sys/types.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/param.h>
#include <errno.h> #include <errno.h>
#include <fcntl.h> #include <fcntl.h>
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
#ifdef BSD
# include <sys/sysctl.h>
# include <limits.h>
#endif
#include "backtrace.hpp" #include "backtrace.hpp"
#include "internal.hpp" #include "internal.hpp"
#ifndef HAVE_GETEXECNAME #ifdef BSD
#define getexecname() NULL # if !defined HAVE_GETEXECNAME && defined KERN_PROC_PATHNAME
# define HAVE_GETEXECNAME
static char execname[PATH_MAX + 1];
static const char *
getexecname(void)
{
size_t path_len = sizeof(execname);
int mib[] = {
CTL_KERN,
#if defined(__NetBSD__)
KERN_PROC_ARGS,
-1,
KERN_PROC_PATHNAME,
#else
KERN_PROC,
KERN_PROC_PATHNAME,
-1,
#endif
};
u_int miblen = sizeof(mib) / sizeof(mib[0]);
int rc = sysctl(mib, miblen, execname, &path_len, NULL, 0);
return rc ? NULL : execname;
}
# endif
#else
# ifndef HAVE_GETEXECNAME
# define getexecname() NULL
# endif
#endif #endif
namespace tracy namespace tracy