Displaying 2 results from an estimated 2 matches for "switch_a".
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switch_as
2007 Jun 26
2
RFC: multiple address spaces for one process
...E,
MAP_SHARED|MAP_ANONYMOUS, 0, 0);
if (p == MAP_FAILED){
deal with it
}
memcpy(p, (char *)sd, len);
p = mremap(p, len, len, MREMAP_MAYMOVE|MREMAP_FIXED, (char *)sd);
if (p == MAP_FAILED)
deal with it
}
while (new_as() >= 0 && nas < NCONTEXTS)
nas++;
switch_as(0);
After this, you can call switch_as in a signal handler running on a
stack in the shared data region. Anything else is liable to lead to
stack corruption or SEGFAULTs.
There are a couple of places where the semantics could be changed.
For instance if a process with multiple address spaces fo...
2007 Jun 26
2
RFC: multiple address spaces for one process
...E,
MAP_SHARED|MAP_ANONYMOUS, 0, 0);
if (p == MAP_FAILED){
deal with it
}
memcpy(p, (char *)sd, len);
p = mremap(p, len, len, MREMAP_MAYMOVE|MREMAP_FIXED, (char *)sd);
if (p == MAP_FAILED)
deal with it
}
while (new_as() >= 0 && nas < NCONTEXTS)
nas++;
switch_as(0);
After this, you can call switch_as in a signal handler running on a
stack in the shared data region. Anything else is liable to lead to
stack corruption or SEGFAULTs.
There are a couple of places where the semantics could be changed.
For instance if a process with multiple address spaces fo...