skalibs

Mirror/fork of https://skarnet.org/software/skalibs/
git clone https://ccx.te2000.cz/git/skalibs
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socket_tryreservein.c (292B)

      1 /* ISC license. */
      2 
      3 #include <skalibs/nonposix.h>
      4 #include <sys/socket.h>
      5 #include <skalibs/socket.h>
      6 
      7 void socket_tryreservein (int s, unsigned int size)
      8 {
      9   while (size >= 1024)
     10   {
     11     if (!setsockopt(s, SOL_SOCKET, SO_RCVBUF, &size, sizeof size)) return ;
     12     size -= (size >> 5) ;
     13   }
     14 }