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Fixed hang on race condition with UDP-RECV and fork

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This commit is contained in:
Gerhard Rieger 2020-11-28 10:21:39 +01:00
parent 55518fa690
commit 5570bf4d62
7 changed files with 107 additions and 8 deletions

31
compat.h
View file

@ -626,6 +626,33 @@ typedef int sig_atomic_t;
# endif
#endif
/* default: long */
#if !defined(HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC) || !HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC
# undef HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC
# define HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC 5
#endif
#ifndef F_tv_nsec
# if HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC==1
#define F_tv_nsec "%09hd"
# elif HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC==2
#define F_tv_nsec "%09hu"
# elif HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC==3
#define F_tv_nsec "%09d"
# elif HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC==4
#define F_tv_nsec "%09u"
# elif HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC==5
#define F_tv_nsec "%09ld"
# elif HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC==6
#define F_tv_nsec "%09lu"
# elif HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC==7
#define F_tv_nsec "%09Ld"
# elif HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC==8
#define F_tv_nsec "%09Lu"
# else
#error "HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC is out of range:" HAVE_TYPEOF_STRUCT_TIMESPEC_TV_NSEC
# endif
#endif
/* default: long */
#if !defined(HAVE_TYPEOF_RLIM_MAX) || !HAVE_TYPEOF_RLIM_MAX
# undef HAVE_TYPEOF_RLIM_MAX
@ -653,6 +680,10 @@ typedef int sig_atomic_t;
# endif
#endif
/* sigset_t printing - not an exact solution yet */
#define F_sigset "0x%4lx"
typedef unsigned long T_sigset;
/* default: socklen_t */
#if !defined(HAVE_TYPEOF_STRUCT_CMSGHDR_CMSG_LEN) || !HAVE_TYPEOF_STRUCT_CMSGHDR_CMSG_LEN
# undef HAVE_TYPEOF_STRUCT_CMSGHDR_CMSG_LEN