upstream/mercurial-mirror Files · contrib/chg/hgclient.h

rhg: use `Command::exec` instead of `Command::status`...

rhg: use `Command::exec` instead of `Command::status` `rhg` is supposed to be a transparent executable, using a subprocess defeats that purpose. See inline comments for more details. This also introduces the `which` crate to check if the fallback executable actually exists to help debugging (plain `execve` doesn't give much information). The error code 253 is used to signify that the fallback is not found, but may mean in the future that it is otherwise invalid if we start being more specific. Differential Revision: https://phab.mercurial-scm.org/D12578

Augie Fackler - - Load All Authors

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                r50043:006688e3

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      /*

       * A command server client that uses Unix domain socket

       *

       * Copyright (c) 2011 Yuya Nishihara <yuya@tcha.org>

       *

       * This software may be used and distributed according to the terms of the

       * GNU General Public License version 2 or any later version.

       */

      #ifndef HGCLIENT_H_

      #define HGCLIENT_H_

      #include <sys/types.h>

      struct hgclient_tag_;

      typedef struct hgclient_tag_ hgclient_t;

      hgclient_t *hgc_open(const char *sockname);

      void hgc_close(hgclient_t *hgc);

      pid_t hgc_peerpgid(const hgclient_t *hgc);

      pid_t hgc_peerpid(const hgclient_t *hgc);

      const char **hgc_validate(hgclient_t *hgc, const char *const args[],

                                size_t argsize);

      int hgc_runcommand(hgclient_t *hgc, const char *const args[], size_t argsize);

      void hgc_attachio(hgclient_t *hgc);

      void hgc_setenv(hgclient_t *hgc, const char *const envp[]);

      #endif /* HGCLIENT_H_ */

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				/*
				* A command server client that uses Unix domain socket
				*
				* Copyright (c) 2011 Yuya Nishihara <yuya@tcha.org>
				*
				* This software may be used and distributed according to the terms of the
				* GNU General Public License version 2 or any later version.
				*/

				#ifndef HGCLIENT_H_
				#define HGCLIENT_H_

				#include <sys/types.h>

				struct hgclient_tag_;
				typedef struct hgclient_tag_ hgclient_t;

				hgclient_t hgc_open(const char sockname);
				void hgc_close(hgclient_t *hgc);

				pid_t hgc_peerpgid(const hgclient_t *hgc);
				pid_t hgc_peerpid(const hgclient_t *hgc);

				const char *hgc_validate(hgclient_t hgc, const char *const args[],
				size_t argsize);
				int hgc_runcommand(hgclient_t hgc, const char const args[], size_t argsize);
				void hgc_attachio(hgclient_t *hgc);
				void hgc_setenv(hgclient_t hgc, const char const envp[]);

				#endif /* HGCLIENT_H_ */