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

status: prefer relative paths in Rust code...

status: prefer relative paths in Rust code … when the repository root is under the current directory, so the kernel needs to traverse fewer directory in every call to `read_dir` or `symlink_metadata`. Better yet would be to use libc functions like `openat` and `fstatat` to remove such repeated traversals entirely, but the standard library does not provide APIs based on those. Maybe with a crate like https://crates.io/crates/openat instead? Benchmarks of `rhg status` show that this patch is neutral in some configurations, and makes the command up to ~20% faster in others. Below is semi-arbitrary subset of results. The four numeric columns are: time (in seconds) with this changeset’s parent, time with this changeset, time difference (negative is better), time ratio (less than 1 is better). ``` mercurial-dirstate-v1 | default-plain-clean.no-iu.pbr | 0.0061 -> 0.0059: -0.0002 (0.97) mercurial-dirstate-v2 | default-plain-clean.no-iu.pbr | 0.0029 -> 0.0028: -0.0001 (0.97) mozilla-dirstate-v1 | default-plain-clean.no-iu.pbr | 0.2110 -> 0.2102: -0.0007 (1.00) mozilla-dirstate-v2 | default-copies-clean.ignored.pbr | 0.0489 -> 0.0401: -0.0088 (0.82) mozilla-dirstate-v2 | default-copies-clean.no-iu.pbr | 0.0479 -> 0.0393: -0.0085 (0.82) mozilla-dirstate-v2 | default-copies-large.all.pbr | 0.1262 -> 0.1210: -0.0051 (0.96) mozilla-dirstate-v2 | default-copies-small.ignored-unknown.pbr | 0.1262 -> 0.1200: -0.0062 (0.95) mozilla-dirstate-v2 | default-copies-small.ignored.pbr | 0.0536 -> 0.0417: -0.0119 (0.78) mozilla-dirstate-v2 | default-copies-small.no-iu.pbr | 0.0482 -> 0.0393: -0.0089 (0.81) mozilla-dirstate-v2 | default-plain-clean.ignored.pbr | 0.0518 -> 0.0402: -0.0116 (0.78) mozilla-dirstate-v2 | default-plain-clean.no-iu.pbr | 0.0481 -> 0.0392: -0.0088 (0.82) mozilla-dirstate-v2 | default-plain-large.all.pbr | 0.1271 -> 0.1218: -0.0052 (0.96) mozilla-dirstate-v2 | default-plain-small.ignored-unknown.pbr | 0.1225 -> 0.1202: -0.0022 (0.98) mozilla-dirstate-v2 | default-plain-small.ignored.pbr | 0.0510 -> 0.0418: -0.0092 (0.82) mozilla-dirstate-v2 | default-plain-small.no-iu.pbr | 0.0480 -> 0.0394: -0.0086 (0.82) netbeans-dirstate-v1 | default-plain-clean.no-iu.pbr | 0.1442 -> 0.1422: -0.0020 (0.99) netbeans-dirstate-v2 | default-plain-clean.no-iu.pbr | 0.0325 -> 0.0282: -0.0043 (0.87) ``` Differential Revision: https://phab.mercurial-scm.org/D12175

Augie Fackler - - Load All Authors

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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_ */