88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
#include <mlvalues.h>
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#include <alloc.h>
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#include <memory.h>
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#include "unix.h"
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#ifdef HAS_SOCKETS
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#include "socketaddr.h"
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#endif
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#if defined(HAS_SOCKETS) && defined(MSG_OOB) && defined(MSG_DONTROUTE) && defined(MSG_PEEK)
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static int msg_flag_table[] = {
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MSG_OOB, MSG_DONTROUTE, MSG_PEEK
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};
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value unix_recv(sock, buff, ofs, len, flags) /* ML */
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value sock, buff, ofs, len, flags;
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{
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int ret;
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enter_blocking_section();
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ret = recv(Int_val(sock), &Byte(buff, Long_val(ofs)), Int_val(len),
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convert_flag_list(flags, msg_flag_table));
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leave_blocking_section();
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if (ret == -1) uerror("recv", Nothing);
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return Val_int(ret);
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}
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value unix_recvfrom(sock, buff, ofs, len, flags) /* ML */
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value sock, buff, ofs, len, flags;
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{
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int retcode;
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value res;
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Push_roots(a, 1);
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sock_addr_len = sizeof(sock_addr);
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enter_blocking_section();
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retcode = recvfrom(Int_val(sock), &Byte(buff, Long_val(ofs)), Int_val(len),
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convert_flag_list(flags, msg_flag_table),
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&sock_addr.s_gen, &sock_addr_len);
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leave_blocking_section();
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if (retcode == -1) uerror("recvfrom", Nothing);
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a[0] = alloc_sockaddr();
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res = alloc_tuple(2);
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Field(res, 0) = Val_int(retcode);
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Field(res, 1) = a[0];
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Pop_roots();
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return res;
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}
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value unix_send(sock, buff, ofs, len, flags) /* ML */
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value sock, buff, ofs, len, flags;
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{
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int ret;
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enter_blocking_section();
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ret = send(Int_val(sock), &Byte(buff, Long_val(ofs)), Int_val(len),
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convert_flag_list(flags, msg_flag_table));
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leave_blocking_section();
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if (ret == -1) uerror("send", Nothing);
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return Val_int(ret);
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}
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value unix_sendto(argv, argc) /* ML */
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value * argv;
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int argc;
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{
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int ret;
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get_sockaddr(argv[5]);
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enter_blocking_section();
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ret = sendto(Int_val(argv[0]), &Byte(argv[1], Long_val(argv[2])),
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Int_val(argv[3]), convert_flag_list(argv[4], msg_flag_table),
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&sock_addr.s_gen, sock_addr_len);
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leave_blocking_section();
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if (ret == -1) uerror("sendto", Nothing);
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return Val_int(ret);
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}
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#else
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value unix_recv() { invalid_argument("recv not implemented"); }
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value unix_recvfrom() { invalid_argument("recvfrom not implemented"); }
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value unix_send() { invalid_argument("send not implemented"); }
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value unix_sendto() { invalid_argument("sendto not implemented"); }
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#endif
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