diff options
| author | alfred <alfred@FreeBSD.org> | 2000-04-03 06:36:14 +0000 |
|---|---|---|
| committer | alfred <alfred@FreeBSD.org> | 2000-04-03 06:36:14 +0000 |
| commit | 8d70bb9d1e045628d69036882ef19f126aba915d (patch) | |
| tree | a85bbdd83bd6e361260506788f79b0b4403512e6 /sys/kern/makesyscalls.sh | |
| parent | 2d2575e7b2738b94d1d15f9337a2fb41cbb993c9 (diff) | |
| download | FreeBSD-src-8d70bb9d1e045628d69036882ef19f126aba915d.zip FreeBSD-src-8d70bb9d1e045628d69036882ef19f126aba915d.tar.gz | |
Make makesyscalls.sh parse an optional field 'MPSAFE' that specifies
that a syscall does not want the BGL to be grabbed automatically.
Add the new MPSAFE flag to the syscalls that dillon has determined to
be MPSAFE.
Diffstat (limited to 'sys/kern/makesyscalls.sh')
| -rw-r--r-- | sys/kern/makesyscalls.sh | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/sys/kern/makesyscalls.sh b/sys/kern/makesyscalls.sh index bdbd5c6..090616c 100644 --- a/sys/kern/makesyscalls.sh +++ b/sys/kern/makesyscalls.sh @@ -253,6 +253,14 @@ s/\$//g for (i = 5; i <= NF; i++) comment = comment " " $i } + mpsafe = 0; + # if the "MPSAFE" keyword is found, note it and shift the line + $2 == "MPSAFE" { + for (i = 2; i <= NF; i++) + $i = $(i + 1); + NF -= 1; + mpsafe = 1; + } $2 == "STD" || $2 == "NODEF" || $2 == "NOARGS" || $2 == "NOPROTO" \ || $2 == "NOIMPL" { parseline() @@ -282,19 +290,22 @@ s/\$//g nosys = 1 if (funcname == "lkmnosys") lkmnosys = 1 + printf("\t{ %s%d, (sy_call_t *)", + mpsafe == 1 ? "SYF_MPSAFE | " : "", argc+bigargc) > sysent if ($2 != "NOIMPL") { - printf("\t{ %d, (sy_call_t *)%s },\t\t", - argc+bigargc, funcname) > sysent + printf("%s },\t", + funcname) > sysent if(length(funcname) < 11) - printf("\t") > sysent - printf("/* %d = %s */\n", syscall, funcalias) > sysent + printf("\t") > sysent } else { - printf("\t{ %d, (sy_call_t *)%s },\t\t", - argc+bigargc, "nosys") > sysent + printf("%s },\t", + "nosys") > sysent if(length("nosys") < 11) - printf("\t") > sysent - printf("/* %d = %s */\n", syscall, funcalias) > sysent + printf("\t") > sysent } + if (mpsafe == 0) + printf("\t") > sysent + printf("/* %d = %s */\n", syscall, funcalias) > sysent printf("\t\"%s\",\t\t\t/* %d = %s */\n", funcalias, syscall, funcalias) > sysnames if ($2 != "NODEF") { @@ -323,7 +334,8 @@ s/\$//g argalias) > sysarg printf("%s\to%s __P((struct proc *, struct %s *));\n", rettype, funcname, argalias) > syscompatdcl - printf("\t{ compat(%d,%s) },\t\t/* %d = old %s */\n", + printf("\t{ compat(%s%d,%s) },\t\t/* %d = old %s */\n", + mpsafe == 1 ? "SYF_MPSAFE | " : "", argc+bigargc, funcname, syscall, funcalias) > sysent printf("\t\"old.%s\",\t\t/* %d = old %s */\n", funcalias, syscall, funcalias) > sysnames @@ -338,7 +350,8 @@ s/\$//g ncompat++ parseline() printf("%s\to%s();\n", rettype, funcname) > syscompatdcl - printf("\t{ compat(%d,%s) },\t\t/* %d = old %s */\n", + printf("\t{ compat(%s%d,%s) },\t\t/* %d = old %s */\n", + mpsafe == 1 ? "SYF_MPSAFE | " : "", argc+bigargc, funcname, syscall, funcalias) > sysent printf("\t\"old.%s\",\t\t/* %d = old %s */\n", funcalias, syscall, funcalias) > sysnames |
