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Diffstat (limited to 'REORG.TODO/resolv/netdb.h')
| -rw-r--r-- | REORG.TODO/resolv/netdb.h | 713 |
1 files changed, 713 insertions, 0 deletions
diff --git a/REORG.TODO/resolv/netdb.h b/REORG.TODO/resolv/netdb.h new file mode 100644 index 0000000000..f76ccf123e --- /dev/null +++ b/REORG.TODO/resolv/netdb.h @@ -0,0 +1,713 @@ + /* Copyright (C) 1996-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* All data returned by the network data base library are supplied in + host order and returned in network order (suitable for use in + system calls). */ + +#ifndef _NETDB_H +#define _NETDB_H 1 + +#include <features.h> + +#include <netinet/in.h> +#include <bits/stdint-uintn.h> +#ifdef __USE_MISC +/* This is necessary to make this include file properly replace the + Sun version. */ +# include <rpc/netdb.h> +#endif + +#ifdef __USE_GNU +# include <bits/types/sigevent_t.h> +# include <bits/types/struct_timespec.h> +#endif + +#include <bits/netdb.h> + +/* Absolute file name for network data base files. */ +#define _PATH_HEQUIV "/etc/hosts.equiv" +#define _PATH_HOSTS "/etc/hosts" +#define _PATH_NETWORKS "/etc/networks" +#define _PATH_NSSWITCH_CONF "/etc/nsswitch.conf" +#define _PATH_PROTOCOLS "/etc/protocols" +#define _PATH_SERVICES "/etc/services" + + +__BEGIN_DECLS + +#if defined __USE_MISC || !defined __USE_XOPEN2K8 +/* Error status for non-reentrant lookup functions. + We use a macro to access always the thread-specific `h_errno' variable. */ +# define h_errno (*__h_errno_location ()) + +/* Function to get address of global `h_errno' variable. */ +extern int *__h_errno_location (void) __THROW __attribute__ ((__const__)); + + +/* Possible values left in `h_errno'. */ +# define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found. */ +# define TRY_AGAIN 2 /* Non-Authoritative Host not found, + or SERVERFAIL. */ +# define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, + NOTIMP. */ +# define NO_DATA 4 /* Valid name, no data record of requested + type. */ +#endif +#ifdef __USE_MISC +# define NETDB_INTERNAL -1 /* See errno. */ +# define NETDB_SUCCESS 0 /* No problem. */ +# define NO_ADDRESS NO_DATA /* No address, look for MX record. */ +#endif + +#if defined __USE_XOPEN2K || defined __USE_XOPEN_EXTENDED +/* Highest reserved Internet port number. */ +# define IPPORT_RESERVED 1024 +#endif + +#ifdef __USE_GNU +/* Scope delimiter for getaddrinfo(), getnameinfo(). */ +# define SCOPE_DELIMITER '%' +#endif + +#ifdef __USE_MISC +/* Print error indicated by `h_errno' variable on standard error. STR + if non-null is printed before the error string. */ +extern void herror (const char *__str) __THROW; + +/* Return string associated with error ERR_NUM. */ +extern const char *hstrerror (int __err_num) __THROW; +#endif + + +/* Description of data base entry for a single host. */ +struct hostent +{ + char *h_name; /* Official name of host. */ + char **h_aliases; /* Alias list. */ + int h_addrtype; /* Host address type. */ + int h_length; /* Length of address. */ + char **h_addr_list; /* List of addresses from name server. */ +#ifdef __USE_MISC +# define h_addr h_addr_list[0] /* Address, for backward compatibility.*/ +#endif +}; + +/* Open host data base files and mark them as staying open even after + a later search if STAY_OPEN is non-zero. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern void sethostent (int __stay_open); + +/* Close host data base files and clear `stay open' flag. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern void endhostent (void); + +/* Get next entry from host data base file. Open data base if + necessary. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct hostent *gethostent (void); + +/* Return entry from host data base which address match ADDR with + length LEN and type TYPE. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct hostent *gethostbyaddr (const void *__addr, __socklen_t __len, + int __type); + +/* Return entry from host data base for host with NAME. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct hostent *gethostbyname (const char *__name); + +#ifdef __USE_MISC +/* Return entry from host data base for host with NAME. AF must be + set to the address type which is `AF_INET' for IPv4 or `AF_INET6' + for IPv6. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern struct hostent *gethostbyname2 (const char *__name, int __af); + +/* Reentrant versions of the functions above. The additional + arguments specify a buffer of BUFLEN starting at BUF. The last + argument is a pointer to a variable which gets the value which + would be stored in the global variable `herrno' by the + non-reentrant functions. + + These functions are not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation they are cancellation points and + therefore not marked with __THROW. */ +extern int gethostent_r (struct hostent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct hostent **__restrict __result, + int *__restrict __h_errnop); + +extern int gethostbyaddr_r (const void *__restrict __addr, __socklen_t __len, + int __type, + struct hostent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct hostent **__restrict __result, + int *__restrict __h_errnop); + +extern int gethostbyname_r (const char *__restrict __name, + struct hostent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct hostent **__restrict __result, + int *__restrict __h_errnop); + +extern int gethostbyname2_r (const char *__restrict __name, int __af, + struct hostent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct hostent **__restrict __result, + int *__restrict __h_errnop); +#endif /* misc */ + + +/* Open network data base files and mark them as staying open even + after a later search if STAY_OPEN is non-zero. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern void setnetent (int __stay_open); + +/* Close network data base files and clear `stay open' flag. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern void endnetent (void); + +/* Get next entry from network data base file. Open data base if + necessary. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct netent *getnetent (void); + +/* Return entry from network data base which address match NET and + type TYPE. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct netent *getnetbyaddr (uint32_t __net, int __type); + +/* Return entry from network data base for network with NAME. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct netent *getnetbyname (const char *__name); + +#ifdef __USE_MISC +/* Reentrant versions of the functions above. The additional + arguments specify a buffer of BUFLEN starting at BUF. The last + argument is a pointer to a variable which gets the value which + would be stored in the global variable `herrno' by the + non-reentrant functions. + + These functions are not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation they are cancellation points and + therefore not marked with __THROW. */ +extern int getnetent_r (struct netent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct netent **__restrict __result, + int *__restrict __h_errnop); + +extern int getnetbyaddr_r (uint32_t __net, int __type, + struct netent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct netent **__restrict __result, + int *__restrict __h_errnop); + +extern int getnetbyname_r (const char *__restrict __name, + struct netent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct netent **__restrict __result, + int *__restrict __h_errnop); +#endif /* misc */ + + +/* Description of data base entry for a single service. */ +struct servent +{ + char *s_name; /* Official service name. */ + char **s_aliases; /* Alias list. */ + int s_port; /* Port number. */ + char *s_proto; /* Protocol to use. */ +}; + +/* Open service data base files and mark them as staying open even + after a later search if STAY_OPEN is non-zero. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern void setservent (int __stay_open); + +/* Close service data base files and clear `stay open' flag. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern void endservent (void); + +/* Get next entry from service data base file. Open data base if + necessary. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct servent *getservent (void); + +/* Return entry from network data base for network with NAME and + protocol PROTO. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct servent *getservbyname (const char *__name, const char *__proto); + +/* Return entry from service data base which matches port PORT and + protocol PROTO. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct servent *getservbyport (int __port, const char *__proto); + + +#ifdef __USE_MISC +/* Reentrant versions of the functions above. The additional + arguments specify a buffer of BUFLEN starting at BUF. + + These functions are not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation they are cancellation points and + therefore not marked with __THROW. */ +extern int getservent_r (struct servent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct servent **__restrict __result); + +extern int getservbyname_r (const char *__restrict __name, + const char *__restrict __proto, + struct servent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct servent **__restrict __result); + +extern int getservbyport_r (int __port, const char *__restrict __proto, + struct servent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct servent **__restrict __result); +#endif /* misc */ + + +/* Description of data base entry for a single service. */ +struct protoent +{ + char *p_name; /* Official protocol name. */ + char **p_aliases; /* Alias list. */ + int p_proto; /* Protocol number. */ +}; + +/* Open protocol data base files and mark them as staying open even + after a later search if STAY_OPEN is non-zero. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern void setprotoent (int __stay_open); + +/* Close protocol data base files and clear `stay open' flag. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern void endprotoent (void); + +/* Get next entry from protocol data base file. Open data base if + necessary. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct protoent *getprotoent (void); + +/* Return entry from protocol data base for network with NAME. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct protoent *getprotobyname (const char *__name); + +/* Return entry from protocol data base which number is PROTO. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern struct protoent *getprotobynumber (int __proto); + + +#ifdef __USE_MISC +/* Reentrant versions of the functions above. The additional + arguments specify a buffer of BUFLEN starting at BUF. + + These functions are not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation they are cancellation points and + therefore not marked with __THROW. */ +extern int getprotoent_r (struct protoent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct protoent **__restrict __result); + +extern int getprotobyname_r (const char *__restrict __name, + struct protoent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct protoent **__restrict __result); + +extern int getprotobynumber_r (int __proto, + struct protoent *__restrict __result_buf, + char *__restrict __buf, size_t __buflen, + struct protoent **__restrict __result); + + +/* Establish network group NETGROUP for enumeration. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int setnetgrent (const char *__netgroup); + +/* Free all space allocated by previous `setnetgrent' call. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern void endnetgrent (void); + +/* Get next member of netgroup established by last `setnetgrent' call + and return pointers to elements in HOSTP, USERP, and DOMAINP. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int getnetgrent (char **__restrict __hostp, + char **__restrict __userp, + char **__restrict __domainp); + + +/* Test whether NETGROUP contains the triple (HOST,USER,DOMAIN). + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int innetgr (const char *__netgroup, const char *__host, + const char *__user, const char *__domain); + +/* Reentrant version of `getnetgrent' where result is placed in BUFFER. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int getnetgrent_r (char **__restrict __hostp, + char **__restrict __userp, + char **__restrict __domainp, + char *__restrict __buffer, size_t __buflen); +#endif /* misc */ + + +#ifdef __USE_MISC +/* Call `rshd' at port RPORT on remote machine *AHOST to execute CMD. + The local user is LOCUSER, on the remote machine the command is + executed as REMUSER. In *FD2P the descriptor to the socket for the + connection is returned. The caller must have the right to use a + reserved port. When the function returns *AHOST contains the + official host name. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int rcmd (char **__restrict __ahost, unsigned short int __rport, + const char *__restrict __locuser, + const char *__restrict __remuser, + const char *__restrict __cmd, int *__restrict __fd2p); + +/* This is the equivalent function where the protocol can be selected + and which therefore can be used for IPv6. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int rcmd_af (char **__restrict __ahost, unsigned short int __rport, + const char *__restrict __locuser, + const char *__restrict __remuser, + const char *__restrict __cmd, int *__restrict __fd2p, + sa_family_t __af); + +/* Call `rexecd' at port RPORT on remote machine *AHOST to execute + CMD. The process runs at the remote machine using the ID of user + NAME whose cleartext password is PASSWD. In *FD2P the descriptor + to the socket for the connection is returned. When the function + returns *AHOST contains the official host name. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int rexec (char **__restrict __ahost, int __rport, + const char *__restrict __name, + const char *__restrict __pass, + const char *__restrict __cmd, int *__restrict __fd2p); + +/* This is the equivalent function where the protocol can be selected + and which therefore can be used for IPv6. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int rexec_af (char **__restrict __ahost, int __rport, + const char *__restrict __name, + const char *__restrict __pass, + const char *__restrict __cmd, int *__restrict __fd2p, + sa_family_t __af); + +/* Check whether user REMUSER on system RHOST is allowed to login as LOCUSER. + If SUSER is not zero the user tries to become superuser. Return 0 if + it is possible. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int ruserok (const char *__rhost, int __suser, + const char *__remuser, const char *__locuser); + +/* This is the equivalent function where the protocol can be selected + and which therefore can be used for IPv6. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int ruserok_af (const char *__rhost, int __suser, + const char *__remuser, const char *__locuser, + sa_family_t __af); + +/* Check whether user REMUSER on system indicated by IPv4 address + RADDR is allowed to login as LOCUSER. Non-IPv4 (e.g., IPv6) are + not supported. If SUSER is not zero the user tries to become + superuser. Return 0 if it is possible. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int iruserok (uint32_t __raddr, int __suser, + const char *__remuser, const char *__locuser); + +/* This is the equivalent function where the pfamiliy if the address + pointed to by RADDR is determined by the value of AF. It therefore + can be used for IPv6 + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int iruserok_af (const void *__raddr, int __suser, + const char *__remuser, const char *__locuser, + sa_family_t __af); + +/* Try to allocate reserved port, returning a descriptor for a socket opened + at this port or -1 if unsuccessful. The search for an available port + will start at ALPORT and continues with lower numbers. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int rresvport (int *__alport); + +/* This is the equivalent function where the protocol can be selected + and which therefore can be used for IPv6. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int rresvport_af (int *__alport, sa_family_t __af); +#endif + + +/* Extension from POSIX.1:2001. */ +#ifdef __USE_XOPEN2K +/* Structure to contain information about address of a service provider. */ +struct addrinfo +{ + int ai_flags; /* Input flags. */ + int ai_family; /* Protocol family for socket. */ + int ai_socktype; /* Socket type. */ + int ai_protocol; /* Protocol for socket. */ + socklen_t ai_addrlen; /* Length of socket address. */ + struct sockaddr *ai_addr; /* Socket address for socket. */ + char *ai_canonname; /* Canonical name for service location. */ + struct addrinfo *ai_next; /* Pointer to next in list. */ +}; + +# ifdef __USE_GNU +/* Structure used as control block for asynchronous lookup. */ +struct gaicb +{ + const char *ar_name; /* Name to look up. */ + const char *ar_service; /* Service name. */ + const struct addrinfo *ar_request; /* Additional request specification. */ + struct addrinfo *ar_result; /* Pointer to result. */ + /* The following are internal elements. */ + int __return; + int __glibc_reserved[5]; +}; + +/* Lookup mode. */ +# define GAI_WAIT 0 +# define GAI_NOWAIT 1 +# endif + +/* Possible values for `ai_flags' field in `addrinfo' structure. */ +# define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */ +# define AI_CANONNAME 0x0002 /* Request for canonical name. */ +# define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */ +# define AI_V4MAPPED 0x0008 /* IPv4 mapped addresses are acceptable. */ +# define AI_ALL 0x0010 /* Return IPv4 mapped and IPv6 addresses. */ +# define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose + returned address type.. */ +# ifdef __USE_GNU +# define AI_IDN 0x0040 /* IDN encode input (assuming it is encoded + in the current locale's character set) + before looking it up. */ +# define AI_CANONIDN 0x0080 /* Translate canonical name from IDN format. */ +# define AI_IDN_ALLOW_UNASSIGNED 0x0100 /* Don't reject unassigned Unicode + code points. */ +# define AI_IDN_USE_STD3_ASCII_RULES 0x0200 /* Validate strings according to + STD3 rules. */ +# endif +# define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */ + +/* Error values for `getaddrinfo' function. */ +# define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */ +# define EAI_NONAME -2 /* NAME or SERVICE is unknown. */ +# define EAI_AGAIN -3 /* Temporary failure in name resolution. */ +# define EAI_FAIL -4 /* Non-recoverable failure in name res. */ +# define EAI_FAMILY -6 /* `ai_family' not supported. */ +# define EAI_SOCKTYPE -7 /* `ai_socktype' not supported. */ +# define EAI_SERVICE -8 /* SERVICE not supported for `ai_socktype'. */ +# define EAI_MEMORY -10 /* Memory allocation failure. */ +# define EAI_SYSTEM -11 /* System error returned in `errno'. */ +# define EAI_OVERFLOW -12 /* Argument buffer overflow. */ +# ifdef __USE_GNU +# define EAI_NODATA -5 /* No address associated with NAME. */ +# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */ +# define EAI_INPROGRESS -100 /* Processing request in progress. */ +# define EAI_CANCELED -101 /* Request canceled. */ +# define EAI_NOTCANCELED -102 /* Request not canceled. */ +# define EAI_ALLDONE -103 /* All requests done. */ +# define EAI_INTR -104 /* Interrupted by a signal. */ +# define EAI_IDN_ENCODE -105 /* IDN encoding failed. */ +# endif + +# ifdef __USE_MISC +# define NI_MAXHOST 1025 +# define NI_MAXSERV 32 +# endif + +# define NI_NUMERICHOST 1 /* Don't try to look up hostname. */ +# define NI_NUMERICSERV 2 /* Don't convert port number to name. */ +# define NI_NOFQDN 4 /* Only return nodename portion. */ +# define NI_NAMEREQD 8 /* Don't return numeric addresses. */ +# define NI_DGRAM 16 /* Look up UDP service rather than TCP. */ +# ifdef __USE_GNU +# define NI_IDN 32 /* Convert name from IDN format. */ +# define NI_IDN_ALLOW_UNASSIGNED 64 /* Don't reject unassigned Unicode + code points. */ +# define NI_IDN_USE_STD3_ASCII_RULES 128 /* Validate strings according to + STD3 rules. */ +# endif + +/* Translate name of a service location and/or a service name to set of + socket addresses. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern int getaddrinfo (const char *__restrict __name, + const char *__restrict __service, + const struct addrinfo *__restrict __req, + struct addrinfo **__restrict __pai); + +/* Free `addrinfo' structure AI including associated storage. */ +extern void freeaddrinfo (struct addrinfo *__ai) __THROW; + +/* Convert error return from getaddrinfo() to a string. */ +extern const char *gai_strerror (int __ecode) __THROW; + +/* Translate a socket address to a location and service name. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern int getnameinfo (const struct sockaddr *__restrict __sa, + socklen_t __salen, char *__restrict __host, + socklen_t __hostlen, char *__restrict __serv, + socklen_t __servlen, int __flags); +#endif /* POSIX */ + +#ifdef __USE_GNU +/* Enqueue ENT requests from the LIST. If MODE is GAI_WAIT wait until all + requests are handled. If WAIT is GAI_NOWAIT return immediately after + queueing the requests and signal completion according to SIG. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int getaddrinfo_a (int __mode, struct gaicb *__list[__restrict_arr], + int __ent, struct sigevent *__restrict __sig); + +/* Suspend execution of the thread until at least one of the ENT requests + in LIST is handled. If TIMEOUT is not a null pointer it specifies the + longest time the function keeps waiting before returning with an error. + + This function is not part of POSIX and therefore no official + cancellation point. But due to similarity with an POSIX interface + or due to the implementation it is a cancellation point and + therefore not marked with __THROW. */ +extern int gai_suspend (const struct gaicb *const __list[], int __ent, + const struct timespec *__timeout); + +/* Get the error status of the request REQ. */ +extern int gai_error (struct gaicb *__req) __THROW; + +/* Cancel the requests associated with GAICBP. */ +extern int gai_cancel (struct gaicb *__gaicbp) __THROW; +#endif /* GNU */ + +__END_DECLS + +#endif /* netdb.h */ |