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1a600b7555
The current implementation of the attribute dictionary uses a custom hashtable. This modernizes the dictionary by converting it to the builtin 'hashmap' structure. Also, in order to enable a threaded API in the future add an accompanying mutex which must be acquired prior to accessing the dictionary of interned attributes. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
#include "cache.h"
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#include "exec_cmd.h"
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#include "attr.h"
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/*
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* Many parts of Git have subprograms communicate via pipe, expect the
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* upstream of a pipe to die with SIGPIPE when the downstream of a
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* pipe does not need to read all that is written. Some third-party
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* programs that ignore or block SIGPIPE for their own reason forget
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* to restore SIGPIPE handling to the default before spawning Git and
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* break this carefully orchestrated machinery.
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*
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* Restore the way SIGPIPE is handled to default, which is what we
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* expect.
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*/
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static void restore_sigpipe_to_default(void)
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{
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sigset_t unblock;
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sigemptyset(&unblock);
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sigaddset(&unblock, SIGPIPE);
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sigprocmask(SIG_UNBLOCK, &unblock, NULL);
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signal(SIGPIPE, SIG_DFL);
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}
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int main(int argc, const char **argv)
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{
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/*
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* Always open file descriptors 0/1/2 to avoid clobbering files
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* in die(). It also avoids messing up when the pipes are dup'ed
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* onto stdin/stdout/stderr in the child processes we spawn.
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*/
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sanitize_stdfds();
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git_setup_gettext();
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attr_start();
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git_extract_argv0_path(argv[0]);
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restore_sigpipe_to_default();
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return cmd_main(argc, argv);
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}
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