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run-command: introduce child_process_init()

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Add a helper function for initializing those struct child_process
variables for which the macro CHILD_PROCESS_INIT can't be used.

Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2014-08-19 21:10:48 +02:00
committed by Junio C Hamano
parent d318027932
commit 483bbd4e4c
5 changed files with 20 additions and 6 deletions
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8
Documentation/technical/api-run-command.txt
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@ -13,6 +13,10 @@ produces in the caller in order to process it.
Functions
---------
`child_process_init`
Initialize a struct child_process variable.
`start_command`::
Start a sub-process. Takes a pointer to a `struct child_process`
@ -96,8 +100,8 @@ command to run in a sub-process.
The caller:
1. allocates and clears (memset(&chld, 0, sizeof(chld)); or
using CHILD_PROCESS_INIT) a struct child_process variable;
1. allocates and clears (using child_process_init() or
CHILD_PROCESS_INIT) a struct child_process variable;
2. initializes the members;
3. calls start_command();
4. processes the data;