mirror of https://github.com/xzeldon/htop.git
Improve error reporting on FreeBSD libkvm call
This involves switching from kvm_open(3) to kvm_openfiles(3). The only difference is that the latter has saner error reporting (see the man page for details). We can now fatally report the error rather than just calling assert(3).
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@ -14,7 +14,9 @@ in the source distribution for its full text.
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#include <err.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <string.h>
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/*{
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@ -86,12 +88,12 @@ static int kernelFScale;
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ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
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size_t len;
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char errbuf[_POSIX2_LINE_MAX];
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FreeBSDProcessList* fpl = xCalloc(1, sizeof(FreeBSDProcessList));
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ProcessList* pl = (ProcessList*) fpl;
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ProcessList_init(pl, Class(FreeBSDProcess), usersTable, pidWhiteList, userId);
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size_t len;
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// physical memory in system: hw.physmem
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// physical page size: hw.pagesize
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// usable pagesize : vm.stats.vm.v_page_size
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@ -178,8 +180,10 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, ui
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kernelFScale = 2048;
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}
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fpl->kd = kvm_open(NULL, "/dev/null", NULL, 0, NULL);
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assert(fpl->kd);
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fpl->kd = kvm_openfiles(NULL, "/dev/null", NULL, 0, errbuf);
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if (fpl->kd == NULL) {
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errx(1, "kvm_open: %s", errbuf);
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}
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return pl;
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}
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