From: Jim Kingdon <jkingdon@engr.sgi.com>
Date: Fri, 20 May 1994 03:43:39 +0000 (+0000)
Subject: 	* target.c, target.h: New variables target_activity_function and
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=429f1c9f466e706d0c2bc32f7cafb853ac8a2a22;p=binutils-gdb.git

	* target.c, target.h: New variables target_activity_function and
	target_activity_fd.
	* inflow.c, inferior.h: New functions set_sigio_trap and
	clear_sigio_trap.
	* inftarg.c (child_wait), procfs.c (wait_fd): Call them.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8b2c3a1c686..2aae816a369 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,11 @@
+Thu May 19 09:56:20 1994  Jim Kingdon  (kingdon@lioth.cygnus.com)
+
+	* target.c, target.h: New variables target_activity_function and
+	target_activity_fd.
+	* inflow.c, inferior.h: New functions set_sigio_trap and
+	clear_sigio_trap.
+	* inftarg.c (child_wait), procfs.c (wait_fd): Call them.
+
 Wed May 18 13:01:55 1994  Doug Evans  (dje@canuck.cygnus.com)
 
 	* remote-sim.h (sim_verbose): Delete.
diff --git a/gdb/inftarg.c b/gdb/inftarg.c
index f7f95019e15..eff9969c64e 100644
--- a/gdb/inftarg.c
+++ b/gdb/inftarg.c
@@ -31,12 +31,10 @@ static void
 child_prepare_to_store PARAMS ((void));
 
 #ifndef CHILD_WAIT
-static int
-child_wait PARAMS ((int, struct target_waitstatus *));
+static int child_wait PARAMS ((int, struct target_waitstatus *));
 #endif /* CHILD_WAIT */
 
-static void
-child_open PARAMS ((char *, int));
+static void child_open PARAMS ((char *, int));
 
 static void
 child_files_info PARAMS ((struct target_ops *));
@@ -53,8 +51,7 @@ ptrace_me PARAMS ((void));
 static void
 ptrace_him PARAMS ((int));
 
-static void
-child_create_inferior PARAMS ((char *, char *, char **));
+static void child_create_inferior PARAMS ((char *, char *, char **));
 
 static void
 child_mourn_inferior PARAMS ((void));
@@ -67,327 +64,6 @@ extern char **environ;
 /* Forward declaration */
 extern struct target_ops child_ops;
 
-/* Convert host signal to our signals.  */
-enum target_signal
-target_signal_from_host (hostsig)
-     int hostsig;
-{
-  /* A switch statement would make sense but would require special kludges
-     to deal with the cases where more than one signal has the same number.  */
-
-  if (hostsig == 0) return TARGET_SIGNAL_0;
-
-#if defined (SIGHUP)
-  if (hostsig == SIGHUP) return TARGET_SIGNAL_HUP;
-#endif
-#if defined (SIGINT)
-  if (hostsig == SIGINT) return TARGET_SIGNAL_INT;
-#endif
-#if defined (SIGQUIT)
-  if (hostsig == SIGQUIT) return TARGET_SIGNAL_QUIT;
-#endif
-#if defined (SIGILL)
-  if (hostsig == SIGILL) return TARGET_SIGNAL_ILL;
-#endif
-#if defined (SIGTRAP)
-  if (hostsig == SIGTRAP) return TARGET_SIGNAL_TRAP;
-#endif
-#if defined (SIGABRT)
-  if (hostsig == SIGABRT) return TARGET_SIGNAL_ABRT;
-#endif
-#if defined (SIGEMT)
-  if (hostsig == SIGEMT) return TARGET_SIGNAL_EMT;
-#endif
-#if defined (SIGFPE)
-  if (hostsig == SIGFPE) return TARGET_SIGNAL_FPE;
-#endif
-#if defined (SIGKILL)
-  if (hostsig == SIGKILL) return TARGET_SIGNAL_KILL;
-#endif
-#if defined (SIGBUS)
-  if (hostsig == SIGBUS) return TARGET_SIGNAL_BUS;
-#endif
-#if defined (SIGSEGV)
-  if (hostsig == SIGSEGV) return TARGET_SIGNAL_SEGV;
-#endif
-#if defined (SIGSYS)
-  if (hostsig == SIGSYS) return TARGET_SIGNAL_SYS;
-#endif
-#if defined (SIGPIPE)
-  if (hostsig == SIGPIPE) return TARGET_SIGNAL_PIPE;
-#endif
-#if defined (SIGALRM)
-  if (hostsig == SIGALRM) return TARGET_SIGNAL_ALRM;
-#endif
-#if defined (SIGTERM)
-  if (hostsig == SIGTERM) return TARGET_SIGNAL_TERM;
-#endif
-#if defined (SIGUSR1)
-  if (hostsig == SIGUSR1) return TARGET_SIGNAL_USR1;
-#endif
-#if defined (SIGUSR2)
-  if (hostsig == SIGUSR2) return TARGET_SIGNAL_USR2;
-#endif
-#if defined (SIGCLD)
-  if (hostsig == SIGCLD) return TARGET_SIGNAL_CHLD;
-#endif
-#if defined (SIGCHLD)
-  if (hostsig == SIGCHLD) return TARGET_SIGNAL_CHLD;
-#endif
-#if defined (SIGPWR)
-  if (hostsig == SIGPWR) return TARGET_SIGNAL_PWR;
-#endif
-#if defined (SIGWINCH)
-  if (hostsig == SIGWINCH) return TARGET_SIGNAL_WINCH;
-#endif
-#if defined (SIGURG)
-  if (hostsig == SIGURG) return TARGET_SIGNAL_URG;
-#endif
-#if defined (SIGIO)
-  if (hostsig == SIGIO) return TARGET_SIGNAL_IO;
-#endif
-#if defined (SIGPOLL)
-  if (hostsig == SIGPOLL) return TARGET_SIGNAL_POLL;
-#endif
-#if defined (SIGSTOP)
-  if (hostsig == SIGSTOP) return TARGET_SIGNAL_STOP;
-#endif
-#if defined (SIGTSTP)
-  if (hostsig == SIGTSTP) return TARGET_SIGNAL_TSTP;
-#endif
-#if defined (SIGCONT)
-  if (hostsig == SIGCONT) return TARGET_SIGNAL_CONT;
-#endif
-#if defined (SIGTTIN)
-  if (hostsig == SIGTTIN) return TARGET_SIGNAL_TTIN;
-#endif
-#if defined (SIGTTOU)
-  if (hostsig == SIGTTOU) return TARGET_SIGNAL_TTOU;
-#endif
-#if defined (SIGVTALRM)
-  if (hostsig == SIGVTALRM) return TARGET_SIGNAL_VTALRM;
-#endif
-#if defined (SIGPROF)
-  if (hostsig == SIGPROF) return TARGET_SIGNAL_PROF;
-#endif
-#if defined (SIGXCPU)
-  if (hostsig == SIGXCPU) return TARGET_SIGNAL_XCPU;
-#endif
-#if defined (SIGXFSZ)
-  if (hostsig == SIGXFSZ) return TARGET_SIGNAL_XFSZ;
-#endif
-#if defined (SIGWIND)
-  if (hostsig == SIGWIND) return TARGET_SIGNAL_WIND;
-#endif
-#if defined (SIGPHONE)
-  if (hostsig == SIGPHONE) return TARGET_SIGNAL_PHONE;
-#endif
-#if defined (SIGLOST)
-  if (hostsig == SIGLOST) return TARGET_SIGNAL_LOST;
-#endif
-#if defined (SIGWAITING)
-  if (hostsig == SIGWAITING) return TARGET_SIGNAL_WAITING;
-#endif
-#if defined (SIGLWP)
-  if (hostsig == SIGLWP) return TARGET_SIGNAL_LWP;
-#endif
-#if defined (SIGDANGER)
-  if (hostsig == SIGDANGER) return TARGET_SIGNAL_DANGER;
-#endif
-#if defined (SIGGRANT)
-  if (hostsig == SIGGRANT) return TARGET_SIGNAL_GRANT;
-#endif
-#if defined (SIGRETRACT)
-  if (hostsig == SIGRETRACT) return TARGET_SIGNAL_RETRACT;
-#endif
-#if defined (SIGMSG)
-  if (hostsig == SIGMSG) return TARGET_SIGNAL_MSG;
-#endif
-#if defined (SIGSOUND)
-  if (hostsig == SIGSOUND) return TARGET_SIGNAL_SOUND;
-#endif
-#if defined (SIGSAK)
-  if (hostsig == SIGSAK) return TARGET_SIGNAL_SAK;
-#endif
-  return TARGET_SIGNAL_UNKNOWN;
-}
-
-int
-target_signal_to_host (oursig)
-     enum target_signal oursig;
-{
-  switch (oursig)
-    {
-    case TARGET_SIGNAL_0: return 0;
-
-#if defined (SIGHUP)
-    case TARGET_SIGNAL_HUP: return SIGHUP;
-#endif
-#if defined (SIGINT)
-    case TARGET_SIGNAL_INT: return SIGINT;
-#endif
-#if defined (SIGQUIT)
-    case TARGET_SIGNAL_QUIT: return SIGQUIT;
-#endif
-#if defined (SIGILL)
-    case TARGET_SIGNAL_ILL: return SIGILL;
-#endif
-#if defined (SIGTRAP)
-    case TARGET_SIGNAL_TRAP: return SIGTRAP;
-#endif
-#if defined (SIGABRT)
-    case TARGET_SIGNAL_ABRT: return SIGABRT;
-#endif
-#if defined (SIGEMT)
-    case TARGET_SIGNAL_EMT: return SIGEMT;
-#endif
-#if defined (SIGFPE)
-    case TARGET_SIGNAL_FPE: return SIGFPE;
-#endif
-#if defined (SIGKILL)
-    case TARGET_SIGNAL_KILL: return SIGKILL;
-#endif
-#if defined (SIGBUS)
-    case TARGET_SIGNAL_BUS: return SIGBUS;
-#endif
-#if defined (SIGSEGV)
-    case TARGET_SIGNAL_SEGV: return SIGSEGV;
-#endif
-#if defined (SIGSYS)
-    case TARGET_SIGNAL_SYS: return SIGSYS;
-#endif
-#if defined (SIGPIPE)
-    case TARGET_SIGNAL_PIPE: return SIGPIPE;
-#endif
-#if defined (SIGALRM)
-    case TARGET_SIGNAL_ALRM: return SIGALRM;
-#endif
-#if defined (SIGTERM)
-    case TARGET_SIGNAL_TERM: return SIGTERM;
-#endif
-#if defined (SIGUSR1)
-    case TARGET_SIGNAL_USR1: return SIGUSR1;
-#endif
-#if defined (SIGUSR2)
-    case TARGET_SIGNAL_USR2: return SIGUSR2;
-#endif
-#if defined (SIGCHLD) || defined (SIGCLD)
-    case TARGET_SIGNAL_CHLD: 
-#if defined (SIGCHLD)
-      return SIGCHLD;
-#else
-      return SIGCLD;
-#endif
-#endif /* SIGCLD or SIGCHLD */
-#if defined (SIGPWR)
-    case TARGET_SIGNAL_PWR: return SIGPWR;
-#endif
-#if defined (SIGWINCH)
-    case TARGET_SIGNAL_WINCH: return SIGWINCH;
-#endif
-#if defined (SIGURG)
-    case TARGET_SIGNAL_URG: return SIGURG;
-#endif
-#if defined (SIGIO)
-    case TARGET_SIGNAL_IO: return SIGIO;
-#endif
-#if defined (SIGPOLL)
-    case TARGET_SIGNAL_POLL: return SIGPOLL;
-#endif
-#if defined (SIGSTOP)
-    case TARGET_SIGNAL_STOP: return SIGSTOP;
-#endif
-#if defined (SIGTSTP)
-    case TARGET_SIGNAL_TSTP: return SIGTSTP;
-#endif
-#if defined (SIGCONT)
-    case TARGET_SIGNAL_CONT: return SIGCONT;
-#endif
-#if defined (SIGTTIN)
-    case TARGET_SIGNAL_TTIN: return SIGTTIN;
-#endif
-#if defined (SIGTTOU)
-    case TARGET_SIGNAL_TTOU: return SIGTTOU;
-#endif
-#if defined (SIGVTALRM)
-    case TARGET_SIGNAL_VTALRM: return SIGVTALRM;
-#endif
-#if defined (SIGPROF)
-    case TARGET_SIGNAL_PROF: return SIGPROF;
-#endif
-#if defined (SIGXCPU)
-    case TARGET_SIGNAL_XCPU: return SIGXCPU;
-#endif
-#if defined (SIGXFSZ)
-    case TARGET_SIGNAL_XFSZ: return SIGXFSZ;
-#endif
-#if defined (SIGWIND)
-    case TARGET_SIGNAL_WIND: return SIGWIND;
-#endif
-#if defined (SIGPHONE)
-    case TARGET_SIGNAL_PHONE: return SIGPHONE;
-#endif
-#if defined (SIGLOST)
-    case TARGET_SIGNAL_LOST: return SIGLOST;
-#endif
-#if defined (SIGWAITING)
-    case TARGET_SIGNAL_WAITING: return SIGWAITING;
-#endif
-#if defined (SIGLWP)
-    case TARGET_SIGNAL_LWP: return SIGLWP;
-#endif
-#if defined (SIGDANGER)
-    case TARGET_SIGNAL_DANGER: return SIGDANGER;
-#endif
-#if defined (SIGGRANT)
-    case TARGET_SIGNAL_GRANT: return SIGGRANT;
-#endif
-#if defined (SIGRETRACT)
-    case TARGET_SIGNAL_RETRACT: return SIGRETRACT;
-#endif
-#if defined (SIGMSG)
-    case TARGET_SIGNAL_MSG: return SIGMSG;
-#endif
-#if defined (SIGSOUND)
-    case TARGET_SIGNAL_SOUND: return SIGSOUND;
-#endif
-#if defined (SIGSAK)
-    case TARGET_SIGNAL_SAK: return SIGSAK;
-#endif
-    default:
-      /* The user might be trying to do "signal SIGSAK" where this system
-	 doesn't have SIGSAK.  */
-      warning ("Signal %s does not exist on this system.\n",
-	       target_signal_to_name (oursig));
-      return 0;
-    }
-}
-
-/* Helper function for child_wait and the Lynx derivatives of child_wait.
-   HOSTSTATUS is the waitstatus from wait() or the equivalent; store our
-   translation of that in OURSTATUS.  */
-void
-store_waitstatus (ourstatus, hoststatus)
-     struct target_waitstatus *ourstatus;
-     int hoststatus;
-{
-  if (WIFEXITED (hoststatus))
-    {
-      ourstatus->kind = TARGET_WAITKIND_EXITED;
-      ourstatus->value.integer = WEXITSTATUS (hoststatus);
-    }
-  else if (!WIFSTOPPED (hoststatus))
-    {
-      ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
-      ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus));
-    }
-  else
-    {
-      ourstatus->kind = TARGET_WAITKIND_STOPPED;
-      ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus));
-    }
-}
-
 #ifndef CHILD_WAIT
 
 /* Wait for child to do something.  Return pid of child, or -1 in case
@@ -405,9 +81,13 @@ child_wait (pid, ourstatus)
     if (attach_flag)
       set_sigint_trap();	/* Causes SIGINT to be passed on to the
 				   attached process. */
+    set_sigio_trap ();
+
     pid = wait (&status);
     save_errno = errno;
 
+    clear_sigio_trap ();
+
     if (attach_flag)
       clear_sigint_trap();
 
@@ -580,7 +260,7 @@ child_create_inferior (exec_file, allargs, env)
      char *allargs;
      char **env;
 {
-  fork_inferior (exec_file, allargs, env, ptrace_me, ptrace_him);
+  fork_inferior (exec_file, allargs, env, ptrace_me, ptrace_him, NULL);
   /* We are at the first instruction we care about.  */
   /* Pedal to the metal... */
   proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0);
diff --git a/gdb/procfs.c b/gdb/procfs.c
index 48a6e1246fb..f70329a8c87 100644
--- a/gdb/procfs.c
+++ b/gdb/procfs.c
@@ -573,6 +573,7 @@ wait_fd ()
   if (attach_flag)
     set_sigint_trap ();	/* Causes SIGINT to be passed on to the
 			   attached process. */
+  set_sigio_trap ();
 
 #ifndef LOSING_POLL
   num_fds = poll (poll_list, num_poll_list, -1);
@@ -592,6 +593,7 @@ wait_fd ()
   
   if (attach_flag)
     clear_sigint_trap();
+  clear_sigio_trap ();
 
 #ifndef LOSING_POLL