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Fix problematic fdatasync() call on macOS

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The fdatasync call generates a "implicit declaration of function 'fdatasync' is invalid in C99" warning when building for macOS (it's nowhere to be found in the system includes), but linking will eventually work fine because there is an unrelated syscall by the same name (different prototype), so it's not doing what it should. So lets not use it.
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Christian Rosentreter 2024-04-16 17:49:06 +02:00 committed by GitHub
parent 89ed604ddc
commit e5f2916b65
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1 changed files with 5 additions and 1 deletions
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6
pcap/pcap_logger.c
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@ -54,7 +54,11 @@ static int init_pcap_logger(void *data) {
}
static int deinit_pcap_logger(void) {
fdatasync(pcap_fd);
#if defined(_POSIX_SYNCHRONIZED_IO) && (_POSIX_SYNCHRONIZED_IO > 0)
fdatasync(pcap_fd);
#else
fsync(pcap_fd);
#endif
close(pcap_fd);
return 0;
}