perf subcmd: Create subcmd library

Move the subcommand-related files from perf to a new library named
libsubcmd.a.

Since we're moving files anyway, go ahead and rename 'exec_cmd.*' to
'exec-cmd.*' to be consistent with the naming of all the other files.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/c0a838d4c878ab17fee50998811612b2281355c1.1450193761.git.jpoimboe@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 0 insertions, 60 deletions

diff --git a/tools/perf/util/run-command.h b/tools/perf/util/run-command.h
deleted file mode 100644
index 4a55393a6547..000000000000
--- a/tools/perf/util/run-command.h
+++ /dev/null
@@ -1,60 +0,0 @@
-#ifndef __PERF_RUN_COMMAND_H
-#define __PERF_RUN_COMMAND_H
-
-#include <unistd.h>
-
-enum {
-	ERR_RUN_COMMAND_FORK = 10000,
-	ERR_RUN_COMMAND_EXEC,
-	ERR_RUN_COMMAND_PIPE,
-	ERR_RUN_COMMAND_WAITPID,
-	ERR_RUN_COMMAND_WAITPID_WRONG_PID,
-	ERR_RUN_COMMAND_WAITPID_SIGNAL,
-	ERR_RUN_COMMAND_WAITPID_NOEXIT,
-};
-#define IS_RUN_COMMAND_ERR(x) (-(x) >= ERR_RUN_COMMAND_FORK)
-
-struct child_process {
-	const char **argv;
-	pid_t pid;
-	/*
-	 * Using .in, .out, .err:
-	 * - Specify 0 for no redirections (child inherits stdin, stdout,
-	 *   stderr from parent).
-	 * - Specify -1 to have a pipe allocated as follows:
-	 *     .in: returns the writable pipe end; parent writes to it,
-	 *          the readable pipe end becomes child's stdin
-	 *     .out, .err: returns the readable pipe end; parent reads from
-	 *          it, the writable pipe end becomes child's stdout/stderr
-	 *   The caller of start_command() must close the returned FDs
-	 *   after it has completed reading from/writing to it!
-	 * - Specify > 0 to set a channel to a particular FD as follows:
-	 *     .in: a readable FD, becomes child's stdin
-	 *     .out: a writable FD, becomes child's stdout/stderr
-	 *     .err > 0 not supported
-	 *   The specified FD is closed by start_command(), even in case
-	 *   of errors!
-	 */
-	int in;
-	int out;
-	int err;
-	const char *dir;
-	const char *const *env;
-	unsigned no_stdin:1;
-	unsigned no_stdout:1;
-	unsigned no_stderr:1;
-	unsigned exec_cmd:1; /* if this is to be external sub-command */
-	unsigned stdout_to_stderr:1;
-	void (*preexec_cb)(void);
-};
-
-int start_command(struct child_process *);
-int finish_command(struct child_process *);
-int run_command(struct child_process *);
-
-#define RUN_COMMAND_NO_STDIN 1
-#define RUN_EXEC_CMD	     2	/*If this is to be external sub-command */
-#define RUN_COMMAND_STDOUT_TO_STDERR 4
-int run_command_v_opt(const char **argv, int opt);
-
-#endif /* __PERF_RUN_COMMAND_H */