2011-09-22 Tristan Gingold <gingold@adacore.com>

2011-09-22  Tristan Gingold  <gingold@adacore.com>

	* fork-child.c (fork_inferior): Add exec_fun parameter.
	Call exec_fun or execvp.
	* inferior.h: Adjust prototype.
	* gnu-nat.c (gnu_create_inferior): Adjust fork_inferior call.
	* inf-ttrace.c (inf_ttrace_create_inferior): Ditto.
	* inf-ptrace.c (inf_ptrace_create_inferior): Ditto.
	* procfs.c (procfs_create_inferior): Ditto.
	* darwin-nat.c (darwin_execvp): New function.
	(darwin_create_inferior): Use it.