2bfeeed885
. all invocations were S or D, so can safely be dropped to prepare for the segmentless world . still assign D to the SCP_SEG field in the message to make previous kernels usable
78 lines
1.4 KiB
C
78 lines
1.4 KiB
C
/* Test for sys_vumap() - by D.C. van Moolenbroek */
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#include <minix/drivers.h>
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#include <assert.h>
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#include "com.h"
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static int do_request(message *m)
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{
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struct vumap_vir vvec[MAPVEC_NR + 3];
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struct vumap_phys pvec[MAPVEC_NR + 3];
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int r, r2, access, vcount, pcount;
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size_t offset;
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assert(m->m_type == VTR_RELAY);
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vcount = m->VTR_VCOUNT;
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pcount = m->VTR_PCOUNT;
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offset = m->VTR_OFFSET;
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access = m->VTR_ACCESS;
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r2 = sys_safecopyfrom(m->m_source, m->VTR_VGRANT, 0, (vir_bytes) vvec,
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sizeof(vvec[0]) * vcount);
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assert(r2 == OK);
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r = sys_vumap(m->m_source, vvec, vcount, offset, access, pvec,
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&pcount);
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if (pcount >= 1 && pcount <= MAPVEC_NR + 3) {
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r2 = sys_safecopyto(m->m_source, m->VTR_PGRANT, 0,
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(vir_bytes) pvec, sizeof(pvec[0]) * pcount);
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assert(r2 == OK);
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}
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m->VTR_PCOUNT = pcount;
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return r;
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}
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static int sef_cb_init_fresh(int UNUSED(type), sef_init_info_t *UNUSED(info))
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{
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return OK;
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}
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static void sef_cb_signal_handler(int sig)
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{
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if (sig == SIGTERM)
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exit(0);
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}
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static void sef_local_startup(void)
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{
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sef_setcb_init_fresh(sef_cb_init_fresh);
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sef_setcb_signal_handler(sef_cb_signal_handler);
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sef_startup();
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}
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int main(int argc, char **argv)
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{
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message m;
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int r;
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env_setargs(argc, argv);
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sef_local_startup();
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for (;;) {
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if ((r = sef_receive(ANY, &m)) != OK)
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panic("sef_receive failed (%d)\n", r);
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m.m_type = do_request(&m);
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send(m.m_source, &m);
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}
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return 0;
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}
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