From: Po Lu <luangruo@yahoo.com>
Date: Sat, 20 May 2023 08:54:13 +0000 (+0800)
Subject: Remove arbitrary process count limit
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=d86643a7863cef268b69d7925e0982bdb70ba672;p=emacs.git

Remove arbitrary process count limit

* exec/trace.c (handle_clone_prepare):
(handle_clone): When !REENTRANT, use malloc to allocate
tracees after running out of static ones.
---

diff --git a/exec/trace.c b/exec/trace.c
index 974df1dd5e1..23db8ebcbc7 100644
--- a/exec/trace.c
+++ b/exec/trace.c
@@ -456,6 +456,12 @@ handle_clone_prepare (struct exec_tracee *parent)
       tracee = &static_tracees[tracees];
       tracees++;
     }
+#ifndef REENTRANT
+  /* Try to allocate a tracee using `malloc' if this library is
+     not being built to run inside a signal handler.  */
+  else if ((tracee = malloc (sizeof *tracee)))
+    ;
+#endif /* REENTRANT */
   else
     return;
 
@@ -506,6 +512,12 @@ handle_clone (struct exec_tracee *tracee, pid_t pid)
 	  tracee = &static_tracees[tracees];
 	  tracees++;
 	}
+#ifndef REENTRANT
+      /* Try to allocate a tracee using `malloc' if this library is
+	 not being built to run inside a signal handler.  */
+      else if ((tracee = malloc (sizeof *tracee)))
+	;
+#endif /* REENTRANT */
       else
 	return 1;