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Fix #15296 - *BSD builds (#15309) ##build

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This commit is contained in:
Anton Kochkov 2019-10-19 07:28:01 +08:00 committed by radare
parent 5fd8afcad3
commit 0f430b5871
1 changed files with 11 additions and 4 deletions
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15
libr/io/p/io_ptrace.c
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@ -178,6 +178,14 @@ static bool __plugin_open(RIO *io, const char *file, bool many) {
return false;
}
static inline bool is_pid_already_attached (RIO *io, int pid, siginfo_t *sig) {
#ifdef __linux__
return -1 != r_io_ptrace (io, PTRACE_GETSIGINFO, pid, NULL, sig);
#else
return false;
#endif
}
static RIODesc *__open(RIO *io, const char *file, int rw, int mode) {
RIODesc *desc = NULL;
int ret = -1;
@ -189,10 +197,9 @@ static RIODesc *__open(RIO *io, const char *file, int rw, int mode) {
int pid = atoi (file + 9);
// Safely check if the PID has already been attached to avoid printing errors.
ret = r_io_ptrace (io, PTRACE_GETSIGINFO, pid, NULL, &sig);
// Attempt attaching on failure
if (-1 == ret) {
// Safely check if the PID has already been attached to avoid printing errors
// and attempt attaching on failure
if (!is_pid_already_attached(io, pid, &sig)) {
ret = r_io_ptrace (io, PTRACE_ATTACH, pid, 0, 0);
if (ret == -1) {
#ifdef __ANDROID__