Actual source code: sclose.c

petsc-3.9.4 2018-09-11
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  1: /*

  3:         Written by Barry Smith, bsmith@mcs.anl.gov 4/14/92
  4:         Updated by Richard Katz, katz@ldeo.columbia.edu 9/28/03
  5: */

  7:  #include <petscsys.h>
  8:  #include <../src/sys/classes/viewer/impls/socket/socket.h>

 10: #include <errno.h>
 11: #include <ctype.h>
 12: #if defined(PETSC_HAVE_MACHINE_ENDIAN_H)
 13: #include <machine/endian.h>
 14: #endif
 15: #if defined(PETSC_HAVE_UNISTD_H)
 16: #include <unistd.h>
 17: #endif
 18: #if defined(PETSC_HAVE_SYS_SOCKET_H)
 19: #include <sys/socket.h>
 20: #endif
 21: #if defined(PETSC_HAVE_SYS_WAIT_H)
 22: #include <sys/wait.h>
 23: #endif
 24: #if defined(PETSC_HAVE_NETINET_IN_H)
 25: #include <netinet/in.h>
 26: #endif
 27: #if defined(PETSC_HAVE_NETDB_H)
 28: #include <netdb.h>
 29: #endif
 30: #if defined(PETSC_HAVE_FCNTL_H)
 31: #include <fcntl.h>
 32: #endif
 33: #if defined(PETSC_HAVE_IO_H)
 34: #include <io.h>
 35: #endif

 37: #if defined(PETSC_NEED_CLOSE_PROTO)
 38: PETSC_EXTERN int close(int);
 39: #endif

 41: #include <mex.h>
 42: #define PETSC_MEX_ERROR(a) {mexErrMsgTxt(a); return;}
 43: typedef struct { int onoff; int time; } Linger;
 44: /*-----------------------------------------------------------------*/
 45: /*                                                                 */
 46: /*-----------------------------------------------------------------*/
 47: PETSC_EXTERN void mexFunction(int nlhs,mxArray *plhs[],int nrhs,const mxArray *prhs[])
 48: {
 49:   int    t = 0;
 50:   Linger linger;

 52:   linger.onoff = 1;
 53:   linger.time  = 0;

 55:   if (!nrhs) PETSC_MEX_ERROR("Needs one argument, the port");
 56:   t = (int)*mxGetPr(prhs[0]);

 58:   if (setsockopt(t,SOL_SOCKET,SO_LINGER,(char*)&linger,sizeof(Linger))) PETSC_MEX_ERROR("Setting linger");
 59:   if (close(t)) PETSC_MEX_ERROR("closing socket");
 60:   return;
 61: }