ext/pcntl: adding SIGTRAP handling for freebsd.

if a restricted file descriptor based syscall by the system had been attempted,
a SIGTRAP is raised with the syscall id.

Author: devnexen

ext/pcntl/pcntl.c

@@ -1067,6 +1067,17 @@ static void pcntl_siginfo_to_zval(int signo, siginfo_t *siginfo, zval *user_sigi
 				add_assoc_long_ex(user_siginfo, "fd",   sizeof("fd")-1,   siginfo->si_fd);
 # endif
 				break;
+#endif
+
+#ifdef SIGTRAP
+			case SIGTRAP:
+# ifdef si_syscall
+				add_assoc_long_ex(user_siginfo, "syscall", sizeof("syscall")-1, (zend_long)siginfo->si_syscall);
+# endif
+# ifdef si_trapno
+				add_assoc_long_ex(user_siginfo, "trapno", sizeof("trapno")-1, (zend_long)siginfo->si_trapno);
+# endif
+
 #endif
 		}
 #if defined(SIGRTMIN) && defined(SIGRTMAX)