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asyn-thread: use pipe instead of socketpair for IPC when available

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If pipe() is present. Less overhead.

Helped-by: Viktor Szakats
Closes #12146
This commit is contained in:
Daniel Stenberg 2023-10-17 17:56:09 +02:00
parent 64936919b9
commit 43eb798da0
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3 changed files with 22 additions and 21 deletions
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16
lib/multi.c
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@ -55,22 +55,6 @@
#include "curl_memory.h"
#include "memdebug.h"
#ifdef HAVE_PIPE
#define wakeup_write write
#define wakeup_read read
#define wakeup_close close
#define wakeup_create pipe
#else /* HAVE_PIPE */
#define wakeup_write swrite
#define wakeup_read sread
#define wakeup_close sclose
#define wakeup_create(p) Curl_socketpair(AF_UNIX, SOCK_STREAM, 0, p)
#endif /* __APPLE__ */
/*
CURL_SOCKET_HASH_TABLE_SIZE should be a prime number. Increasing it from 97
to 911 takes on a 32-bit machine 4 x 804 = 3211 more bytes. Still, every